Ibotenic acid, approx.95%, solid

Stock Code: 3591524
Manufacturer Part No: I2765-5MG

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£742.39 (exc VAT) per 5MG

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Sale of Professional Pesticide Products

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As from 26th November 2015 it is an offence for anyone to purchase pesticides authorised for professional use unless they have ensured that the intended end user holds the relevant specified certificate(s).
(Section 9 (5), The Plant Protection Products (Sustainable Use) Regulations 2012)

and

Pesticides approved for professional use must only be used by users holding the relevant specified certificate(s).
(Section 8 (1), The Plant Protection Products (Sustainable Use) Regulations 2012) (Part III of the Food and Environment Protection Act 1985, and related Codes of Practice).

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Descriptions

Application

Ibotenic acid has been used as a neurontoxin in rats. It has also been used in inducing a primary permanent lesion monkey cortex M1 neurons.

Ibotenic acid has been used to perform surgery in adult male zebra finches (Taeniopygia guttata) to study reversing reinforcement-induced vocal changes.

Biochem/physiol Actions

Non-selective agonist with preference for NMDA glutamate receptors; neurotoxin; neuroexcitatory amino acid originally isolated from Amanita species.

Ibotenic acid is an analog of glutamate. It is involved in the excitation of cell bodies and destroys the thalamic reticular nucleus (NRT). It induces high calcium influx leading to neuronal injury. Ibotenic acid is used to induce neurodegeneration due to its excitotoxic functionality.

Caution

Hygroscopic

Packaging

1, 5, 10, 25 mg in glass bottle

Specifications

Colour	white
Quality Level	100
InChI key	IRJCBFDCFXCWGO-UHFFFAOYSA-N
InChI	1S/C5H6N2O4/c6-4(5(9)10)2-1-3(8)7-11-2/h1,4H,6H2,(H,7,8)(H,9,10)
Manufacturer	SIGMA-ALDRICH
Form	solid
Assay	~95%

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Streptavidin from Streptomyces avidinii, affinity purified, lyophilized from 10 mM potassium phospha
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Glutathione S-Transferase from equine liver, lyophilized powder, >=25 units/mg protein
Gelatin from bovine skin, Type B
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GABase from Pseudomonas fluorescens, lyophilized powder, Protein >=30 % by biuret
gamma-Globulins from bovine blood, >=97% (agarose gel electrophoresis)
Gamma-globulin bovine
Gastrin Releasing Peptide human, >=97% (HPLC)
Glucagon-Like Peptide I Amide Fragment 7-36 human, >=97% (HPLC), powder
D-Glutamine, >=98% (TLC)
Gastrin I human, >=97% (HPLC)
[Leu15]-Gastrin I human, >=97% (HPLC)
Gelatin from bovine skin, gel strength approx. 225 g Bloom, Type B
gamma-Globulins from goat, >=99% (agarose gel electrophoresis)
alpha1-Acid Glycoprotein from human plasma, >=99% (agarose gel electrophoresis)
gamma-Globulins from mouse, >=90% (agarose gel electrophoresis)
Hemoglobin A0, Ferrous Stabilized human, lyophilized powder
HIV-1 Tat Protein (47-57),
Hemoglobin S, Ferrous Stabilized human, lyophilized powder
N-Hippuryl-His-Leu hydrate, powder, >=98% (HPLC)
6-Hydroxy-DL-DOPA, >=98% (TLC), powder
Hemoglobin from bovine blood, lyophilized powder
Hemoglobin from bovine blood, suitable for protease substrate, substrate powder
DL-threo-beta-Hydroxyaspartic acid,
Hydrochlorothiazide, meets USP testing specifications
Hydrocortisone, meets USP testing specifications
Hematin porcine,
Haptoglobin from pooled human plasma, >=95% (SDS-PAGE), lyophilized powder
Hemoglobin from bovine blood, dried erythrocytes
Hypromellose, meets USP testing specifications
Hippuryl-His-Leu acetate salt,
L-Histidinol dihydrochloride, >=98 (TLC), >=98 (TLC)
Hemocyanin from Megathura crenulata (keyhole limpet),
Hemoglobin human, lyophilized powder
L-Histidine monohydrochloride monohydrate, >=98% (TLC)
Hemocyanin from Megathura crenulata (keyhole limpet), PBS solution
(+/-)-7-Hydroxy-2-(di-n-propylamino)tetralin hydrobromide,
Hemin, from bovine, >=90%
L-Homocysteic acid,
Insulin human, meets USP testing specifications
Insulin chain A oxidized ammonium salt from bovine pancreas, >=80% (HPLC), powder
Iturin A from Bacillus subtilis, >=95% (HPLC)
Insulin human, recombinant, expressed in yeast (proprietary host)
Ibotenic acid, approx.95%, solid
Insulin from porcine pancreas, powder, >=27 USP units/mg
Insulin Chain B Oxidized from bovine pancreas, >=80% (HPLC), powder
Ibuprofen, meets USP testing specifications
3-Iodo-L-tyrosine,
Indomethacin, meets USP testing specifications
Juvenile hormone III, >=65%
Keratin from human epidermis, aqueous solution
Ketoprofen, meets USP testing specifications
beta-Lactoglobulin from bovine milk, >=90% (PAGE), lyophilized powder
Leuprolide acetate salt, >=98% (HPLC)
Lactoferrin from human milk, >=85% (SDS-PAGE), lyophilized powder
Lung acetone powder from rabbit,
Lactoferrin human,;, recombinant, expressed in rice, Iron saturated, >=90% (SDS-PAGE)
beta-Lactoglobulin from bovine milk, >=85% (PAGE), lyophilized powder
[des-Gly10, D-His(Bzl)6]-LH-RH ethylamide, >=97% (HPLC), powder
Lactoferrin from human milk, Iron saturated, >=85% (SDS-PAGE)
Sodium dodecyl sulfate, BioReagent, suitable for electrophoresis, for molecular biology, >=98.5% (GC
[des-Gly10, D-Ala6]-LH-RH ethylamide acetate salt hydrate, >=97% (HPLC), powder
Lithium hydroxide monohydrate, (titration), BioXtra, 98.5-101.5% (titration)
Lactoferrin from bovine colostrum, >=85% (SDS-PAGE)
Luteinizing hormone releasing hormone salmon, >=97% (HPLC)
N-Lauroylsarcosine sodium salt, >=94%
alpha-Lactalbumin from bovine milk, Type I, >=85% (PAGE), lyophilized powder
alpha-Lactalbumin from bovine milk, Type III, calcium depleted, >=85% (PAGE), lyophilized powder
Lisinopril, >=98% (HPLC)
Lipoxidase from Glycine max (soybean), Type V, ammonium sulfate suspension, 500,000-1,000,000 units/
Lactalbumin,
alpha-Lactalbumin from human milk, >=95% (SDS-PAGE), lyophilized powder
beta-Lactoglobulin A from bovine milk, >=90% (PAGE)
beta-Lactoglobulin B from bovine milk, >=90% (PAGE)
Leucine Enkephalin acetate salt hydrate, >=95% (HPLC)
Lactoferrin from bovine milk, >=85% (SDS-PAGE)
[D-Trp6]-LH-RH, >=97% (HPLC), powder
Proglumide sodium salt, solid
L-Mimosine from Koa hoale seeds, >=98%
Myosin, Calcium activated from porcine heart, buffered aqueous glycerol solution, 0.1-0.5 units/mg p
Myoglobin from equine skeletal muscle, 95-100%, essentially salt-free, lyophilized powder
Methoctramine hydrate, >=97% (NMR), solid
(+)-MK-801 hydrogen maleate, powder
Resorufin methyl ether,
Myosin, Calcium activated from rabbit muscle, buffered aqueous glycerol solution, 0.5-1.5 units/mg p
Mucin from porcine stomach, Type III, bound sialic acid 0.5-1.5 %, partially purified powder
Myoglobin from equine heart, >=90% (SDS-PAGE), essentially salt-free, lyophilized powder
Myelin Basic Protein bovine, >=90% (SDS-PAGE), lyophilized powder
Melphalan, powder
MDL 105,519, >=98% (HPLC), solid
Melittin from honey bee venom, >=85% (HPLC)
Myelin Basic Protein from guinea pig brain, >=80% (SDS-PAGE), lyophilized powder, from guinea pig br
Mucin from porcine stomach, Type II
N-Methyl-D-aspartic acid, >=98% (TLC), solid
alpha-Methyl-DL-tyrosine methyl ester hydrochloride, >=98% (HPLC)
Mucin from bovine submaxillary glands, Type I-S
alpha-Melanocyte stimulating hormone, >=97% (HPLC)
Melittin, >=97% (HPLC), synthetic
Myelin Oligodendrocyte Glycoprotein (40-54), Rat, Mouse, lyophilized powder
Myelin Oligodendrocyte Glycoprotein (44-54), Rat, Mouse, lyophilized powder
Melatonin crystalline
Mastoparan, Vespula lewisii, >=97% (HPLC), powder
L-Methionine sulfoximine,
alpha2-Macroglobulin from human plasma, BioUltra, >=98% (SDS-PAGE)
[Met5]Enkephalin acetate salt hydrate, >=95.0% (HPLC), powder
Magainin I, >=97% (HPLC)
Melittin from honey bee venom, (HPLC), 65-85% (HPLC)
Magainin II, >=97% (HPLC)
Myosin Heavy Chain from rabbit muscle, buffered aqueous glycerol solution
Manganese sulfate monohydrate, meets USP testing specifications
Meglumine, meets USP testing specifications
Menadione, meets USP testing specifications
Methotrexate, meets USP testing specifications
N-Nonanoyl-N-methylglucamine, >=98%
NS 1619, powder
S-Nitroso-N-acetyl-DL-penicillamine, >=97%, powder
Neurokinin B, >=95% (HPLC)
S-Nitrosoglutathione, >=97%
Neurokinin A, >=97% (HPLC)
Neuropeptide Y human, >=95% (HPLC), powder, synthetic
Naproxen sodium, meets USP testing specifications
L-(-)-Norepinephrine (+)-bitartrate salt monohydrate, meets USP testing specifications
Neurotensin, >=90% (HPLC)
3-Nitro-L-tyrosine, crystalline
Natriuretic Peptide, C-Type, >=95% (HPLC)
Obestatin human,
(+/-)-Octopamine hydrochloride, >=95%, solid
Oleic acid, >=99% (GC)
Octreotide, >=98% (HPLC)
Ovalbumin (323-339) (chicken, Japanese quail),
N-(3-Oxooctanoyl)-L-homoserine lactone, >=97% (HPLC), white powder
Oxytocin, lyophilized powder, approx. 50 IU/mg solid (Prepared from oxytocin)
Ondansetron hydrochloride dihydrate, >=98% (HPLC), powder
Oxytocin, lyophilized powder, approx. 15 IU/mg solid (Prepared from synthetic oxytocin)
Osteocalcin fragment 1-49 Human, >=94% (HPLC), solid
Orexin A human, rat, mouse, >=97% (HPLC)
Orexin B rat, mouse, >=97% (HPLC)
Oxytocin acetate salt hydrate, >=97% (HPLC)
Protein Kinase Czeta isozyme human, >=75% (SDS-PAGE), recombinant, expressed in baculovirus infected
Pilocarpine nitrate, meets USP testing specifications
Potassium bromide, BioXtra, >=99.0%
Piroxicam, meets USP testing specifications
O-Phospho-L-serine,
Resorufin pentyl ether,
Polymyxin B sulfate, meets USP testing specifications, powder
Phaclofen, solid
Peptide YY human, >=97% (HPLC), synthetic
Thyrotropin releasing hormone, >=98% (HPLC), powder
TWEEN 20, viscous liquid
Prealbumin from human plasma, lyophilized powder
TWEEN 80, viscous liquid
Protein kinase Calpha isozyme human, >=70% (SDS-PAGE), recombinant, expressed in baculovirus infecte
Potassium gluconate, meets USP testing specifications, anhydrous
C-Phycocyanin from?Spirulina?sp.
Parathyroid Hormone Fragment 1-34 human, >=95% (HPLC), powder
Progesterone, meets USP testing specifications
Pyridoxine hydrochloride, meets USP testing specifications
PTIO,
Protein Kinase A from bovine heart, >=0.4 units/mug protein, lyophilized powder
Phospholipase C, Phosphatidylinositol-specific from Bacillus cereus, lyophilized powder, >=1,000 uni
Phospholipase A2 from porcine pancreas, ammonium sulfate suspension, >=600 units/mg protein
Phospholipase A2 from bovine pancreas, lyophilized powder, >=20 units/mg protein
Phospholipase A2 from honey bee venom (Apis mellifera), salt-free, lyophilized powder, 600-2400 unit
Quisqualic acid, powder
Riboflavin Binding Protein from chicken egg white, lyophilized powder
Rennet from Mucor miehei, Type II
(-)-Riboflavin, meets USP testing specifications
Riboflavin 5-phosphate sodium salt hydrate, meets USP testing specifications
ACES ANHYDROUS FREE-FLOWING REDI-DRI
BIS-TRIS ANHYDROUS FREE-FLOWING REDI
BIS-TRIS PROPANE ANHYDROUS FREE-FLOW
CAPS ANHYDROUS FREE-FLOWING REDI-DRI
D-(+)-GLUCOSE ANHYDROUS FREE-FLOWING
ETHYLENEDIAMINETETRAACETIC ACID ANHYDR
MOPS SODIUM SALT ANHYDROUS FREE-FLOW
POTASSIUM PHOSPHATE TRIBASIC ANHYDROUS
POTASSIUM PHOSPHATE MONOBASIC ANHYDROU
SODIUM DODECYL SULFATE ANHYDROUS FREE
SODIUM PHOSPHATE DIBASIC ANHYDROUS FR
SUCROSE ANHYDROUS FREE-FLOWING REDI-
Tricine, anhydrous, free-flowing, Redi-DriT, ?99%
ETHANOLAMINE HYDROCHLORIDE - ANHYDROUS,&
GUANIDINE THIOCYANATE- FOR MOLECULAR BI&
MES HYDRATE, FREE-FLOWING, REDI-DRI(TM)&
UREA, FREE FLOWING, REDI-DRI(TM), BIORE&
IMIDAZOLE, REAGENTPLUS(R), FREE-FLOWING&
Silymarin, flavonolignans
Strychnine
Scopolamine hydrobromide, meets USP testing specifications
Sodium gluconate, meets USP testing specifications
Spermidine trihydrochloride, >=98% (TLC)
Spermidine, >=99.0% (GC)
Seleno-L-methionine, >=98% (TLC), powder
Spectrin from human erythrocytes, buffered aqueous glycerol solution
Ser-Asp-Gly-Arg-Gly, >=90% (HPLC)
D-Serine, >=98% (TLC)
Sulindac, meets USP testing specifications
Saponin from quillaja bark, Sapogenin content 20-35 %
Somatostatin 28, >=97% (HPLC)
Sarafotoxin S6c, >=97% (HPLC)
Substance P acetate salt hydrate, >=95% (HPLC), powder
Secretin human, >=97% (HPLC), powder
N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide,
Saponin from quillaja bark, Sapogenin content >=10 %
Sphingomyelinase from Staphylococcus aureus, buffered aqueous glycerol solution, 100-300 units/mg pr
Somatostatin, >=97% (HPLC), powder
Soybean flour, Type I
Saporin from Saponaria officinalis seeds, lyophilized powder
HYPO-OPTICLEAR HUMAN SERA
Acetyl-Amyloid beta 25-35, >=97% (HPLC)
[DArg0,Hyp3,Thi5,8,DPhe7]-Adamantaneacetyl Bradykinin, >=98% (HPLC)
Adrenomedullin 11-50 rat, >=96% (HPLC)
[D-Phe7]-MSH alpha, >=98% (HPLC)
[Asn1,Val5,Asn9]-Angiotensin I salmon, >=98% (HPLC)
[Val5,Asn9]-Angiotensin I bullfrog, >=98% (HPLC)
ANP 126-150 rat /Auriculin B, ANP 4-28 rat, >=98% (HPLC)
Atriopeptin III rat / ANP 127-150 rat, >=97% (HPLC)
BAM 3200 Bovine Adrenal Medulla Peptide E, >=95% (HPLC)
[Gly22]-Amyloid beta 1-40 Arctic human, >=95% (HPLC)
[Gly22]-Amyloid beta 1-42 Arctic human, >=98% (HPLC)
[Glu11]-Amyloid beta 10-16 human, >=95% (HPLC)
Amyloid beta 1-16 rat, >=97% (HPLC)
Amyloid beta 12-28 human, >=98% (HPLC)
[Gln11]-Amyloid beta 1-28 human, >=98% (HPLC)
Amyloid beta 13-16 human, >=95% (HPLC)
Amyloid beta 1-40 rat, >=95% (HPLC)
Amyloid beta 1-42 rat, >=90% (HPLC)
Amyloid beta 17-42 human, >=80% (HPLC)
[Ala28]-Amyloid beta 25-35, >=95% (HPLC)
[Gly35]-Amyloid beta 25-35, >=95% (HPLC)
Amyloid beta 26-35 human, >=97% (HPLC)
Amyloid beta 27-35 human, >=97% (HPLC)
Amyloid beta 28-35 human, >=97% (HPLC)
Amyloid beta 42-1 reverse human, >=95% (HPLC)
[Gln22]-Amyloid beta 1-40 human, >=95% (HPLC)
[Glu11]-Amyloid beta 1-16, >=97% (HPLC)
[Glu11]-Amyloid beta 1-28 human, >=97% (HPLC)
[D-Val22]-Endothelin 1 Big 16-38 human, >=98% (HPLC)
[Nle4,DPhe7]-Biotinyl-alpha MSH, >=97% (HPLC)
Bovine Adrenal Medulla Docosapeptide / BAM 22P, >=97% (HPLC)
CGRP II 8-37 human / beta CGRP 8-37 human, >=98% (HPLC)
Calcitonin Gene Related Peptide II, cyclic human, >=98% (HPLC)
Calpastatin Peptide Ac 184-210, >=95% (HPLC)
Cell Adhesion Inhibitor Peptide, cyclic, >=97% (HPLC)
Cionin, >=97% (HPLC)
[Tyr0]-C-Peptide / Proinsulin (32-63) Tyr0, >=95% (HPLC)
Endothelin Antagonist PD 142893, >=98% (HPLC)
Endothelin beta Receptor Agonist IRL 1620, >=98% (HPLC)
Endothelin beta Receptor Antagonist IRL 1038, >=98% (HPLC)
Endothelin Receptor Antagonist W 7338A, >=98% (HPLC)
BQ-3020, >=97% (HPLC)
ET A Receptor Antagonist JKC 301, >=98% (HPLC)
ET Antag PD 156252, >=97% (HPLC)
ET Antagonist PD 145065, >=98% (HPLC)
[Tyr0]-Fibrinopeptide A human, >=98% (HPLC)
Fibrinopeptide B human, >=98% (HPLC)
[Gly18]-Gastrin 1-17 human, >=97% (HPLC)
[Leu15,Gly18]-Gastrin2-17, >=98% (HPLC)
GLP-1 (Preproglucagon 72-107 amide) (GLP-1 human), >=98% (HPLC)
GLP-2 1-33 rat / Preproglucagon 126-158 / Glp 2 rat, >=95% (HPLC)
GRF, mouse, >=98% (HPLC)
[D-Ala2]-Growth Hormone Releasing Factor 1-29 amide human, >=98% (HPLC)
[His1,Nle27]-Growth Hormone Releasing Factor 1-32 amide human, >=98% (HPLC)
[Gln8,9]-Helodermin, >=98% (HPLC)
Leucokinin I, >=98% (HPLC)
LH-RH II alligator, chicken, >=98% (HPLC)
Metastin, KISS-1 68-121, >=95% (HPLC)
MMP 14 (Stomelysin-3) Substrate, >=97% (HPLC)
MMP 2 Substrate, fluorogenic, >=98% (HPLC)
MOG Protein 35-55, MOG Peptide Fragment human, >=98% (HPLC)
Neuromedin U-8, >=98% (HPLC)
Obestatin 11-23 mouse, >=97% (HPLC)
Orexin A, Xenopus SS (4-10/5-12), >=97% (HPLC)
Orexin B human, >=98% (HPLC)
Parathyroid Hormone 39-84 human, >=98% (HPLC)
Parathyroid Hormone 53-84 human, >=96% (HPLC)
Plasmepsin II Substrate, >=97% (HPLC)
Prodynorphin 228-256 porcine / Dynorphin B 29 Leumorphin, >=98% (HPLC)
PTH 2-34 human, >=96% (HPLC)
[Nle8,18,Tyr34]-PTH 3-34 bovine, >=96% (HPLC)
Somatostatin 28 1-12, >=96% (HPLC)
[Sar9]-Substance P, >=96% (HPLC)
[Tyr8]-Substance P, >=98% (HPLC)
E. coli Leader Peptidase substrate, >=97% (HPLC)
Syntide 2, >=96% (HPLC)
Tryptase Substrate, >=96% (HPLC)
Urotensin I carp, >=98% (HPLC)
Vasoactive Intestinal Constrictor / beta Endothelin mouse, >=96% (HPLC)
PTHrP human,;, recombinant, expressed in E. coli, >=98% (SDS-PAGE), >=98% (HPLC)
TERGITOL(TM) 15-S-30
TERGITOL(TM) 15-S-40
TERGITOL(TM) 15-S-40 SOLUTION 70% IN WA
TERGITOL(TM) TMN-100X SOLUTION 90% IN W
Triton CG-110
ECOSURF(TM) EH-9
ECOSURF(TM) SA-9
ECOSURF(TM) EH-9 SOLUTION 90% IN WATER
TERGITOL(TM) 15-S-5
TERGITOL(TM) 15-S-15
ECOSURF(TM) EH-3
ECOSURF(TM) EH-6
ECOSURF(TM) SA-4
ECOSURF(TM) SA-7
TERGITOL(TM) 15-S-3
TERGITOL(TM) 15-S-12
TERGITOL(TM) 15-S-20 SOLUTION
TERGITOL(TM) TMN 3
apo-Transferrin bovine, >=97%
apo-Transferrin from mouse, >=98%
Taurine, >=99%
Thyroglobulin from bovine thyroid, powder, >=90% (agarose gel electrophoresis)
TLQP-21 human,
Thyroglobulin from porcine thyroid gland, powder
Trypsinogen from bovine pancreas, essentially salt-free, lyophilized powder, >=10,000 BAEE units/mg
Tat-Beclin 1,
holo-Transferrin bovine, approx.98%
TLQP-21 (mouse, rat),
L-Tyrosine hydrochloride, >=98% (TLC)
apo-Transferrin human, >=95% protein basis (biuret)
Tetraethylammonium chloride, >=98% (titration)
L-Thyroxine, >=98% (HPLC)
L-Thyroxine sodium salt pentahydrate, >=98% (HPLC), powder
3,3,5-Triiodo-L-thyronine, >=95% (HPLC), powder
Transferrin human, >=98%
Calcitonin salmon, >=97% (HPLC), powder
Transferrin human, recombinant, expressed in rice
Tetracaine, meets USP testing specifications
holo-Transferrin human, >=98%
apo-Transferrin human, powder, >=98% (agarose gel electrophoresis)
Thiamine hydrochloride, meets USP testing specifications
Thrombin from rabbit plasma,
TROPOMYOSIN HUMAN
Thyroglobulin human,
alpha1-Mating Factor acetate salt, >=93% (HPLC), synthetic
Tyr-Ile-Gly-Ser-Arg, >=97% (HPLC)
Tetracaine, >=98% (TLC)
Thaumatin from Thaumatococcus daniellii,
Thyrotropic hormone from bovine pituitary, 2 IU/mg protein
Thyrotropic hormone from human pituitary, lyophilized powder, approx. 7 IU/mg (RIA)
D-Tryptophan, >=98.0% (HPLC)
Ubiquitin from bovine erythrocytes, BioUltra, >=98% (SDS-PAGE), essentially salt-free, lyophilized p
Urocortin rat, >=97% (HPLC), powder
Urotensin II human, >=97% (HPLC), synthetic
[Arg8]-Vasopressin solution, Grade VI (synthetic), approx. 100 I.U./mL in 0.9% NaCl
[deamino-Cys1, D-Arg8]-Vasopressin acetate salt hydrate, >=97% (HPLC)
[beta-Mercapto-beta,beta-cyclopentamethylenepropionyl1, O-me-Tyr2, Arg8]-Vasopressin, >=97% (HPLC)
Vasoactive Intestinal Peptide human, porcine, rat, >=95% (HPLC), powder
Calcium-Like Peptide 3,
Vasoactive Intestinal Peptide human, porcine, rat, from synthetic, >=95% (HPLC), powder
[Lys8]-Vasopressin, >=98% (HPLC)
Vincristine sulfate, meets USP testing specifications
[Arg8]-Vasopressin acetate salt, >=95% (HPLC)
Yeast Brewers, Debittered, inactive
Yeast from Saccharomyces cerevisiae, Type I
Yeast from Saccharomyces cerevisiae, Type II