Pyrocatechol, >=99%

Stock Code: 3577695
Manufacturer Part No: C9510-500G

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Descriptions

Caution

May discolor on exposure to air and light.

Packaging

100, 500 g in glass bottle

1 kg in glass bottle

Specifications

Colour	white to faint beige
mp	100-103 °C (lit.)
InChI key	YCIMNLLNPGFGHC-UHFFFAOYSA-N
InChI	1S/C6H6O2/c7-5-3-1-2-4-6(5)8/h1-4,7-8H
bp	245 °C (lit.)
Manufacturer	SIGMA-ALDRICH
Form	powder
Assay	≥99%

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Zaprinast, solid
Ethylenediaminetetraacetic acid disodium salt dihydrate, meets analytical specification of Ph. Eur.,
Cyclosporin A, >=98.5%
Leupeptin hemisulfate salt, >4000 U/mg
Myricetin, >=96.0% (HPLC)
Pepstatin A, >=100,000 U/mg
Phenylmethanesulfonyl fluoride, >=99.0% (T)
Nalpha-Tosyl-L-lysine chloromethyl ketone hydrochloride, >=99.0% (AT)
Phenylmethanesulfonyl fluoride solution, approx. 0.1 M in ethanol (T)
Trypsin inhibitor from Glycine max (soybean), lyophilized powder, approx. 10000 U/mg
(+)-Tubocurarine chloride pentahydrate, >=97.0% (TLC)
Acetamide, approx.99% (GC)
4-Acetamido-4-isothiocyanato-2,2-stilbenedisulfonic acid disodium salt hydrate, >=80%
alpha-Amylase Inhibitor from Triticum aestivum (wheat seed), Type I, lyophilized powder
6-Aminocaproic acid, >=99% (titration), powder
3-Aminopropionitrile fumarate salt, metabolite
6-Thioguanine, >=98%
Acetazolamide, >=99%, powder
Methotrexate hydrate, >=98% (HPLC), powder
6-Aminocaproic acid, BioUltra, >=99%
Allopurinol, xanthine oxidase inhibitor
4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride, >=97%
Aristolochic acid I sodium salt, powder, >=97%
(+/-)-Bay K8644, calcium channel agonist
L-Buthionine-sulfoximine, >=97% (TLC)
Betaine, >=98% (perchloric acid titration)
Betaine hydrochloride, >=99%
Betaine aldehyde chloride,
2-Bromo-2-chloro-1,1,1-trifluoroethane, >=99%
2(3)-O-(4-Benzoylbenzoyl)adenosine 5-triphosphate triethylammonium salt, >=93%
Benzamidine hydrochloride hydrate, >=99%
N-tert-Butyl-alpha-phenylnitrone, >=98% (GC)
Carboxypeptidase Inhibitor from potato tuber, lyophilized powder
L-Cycloserine,
S-(-)-Carbidopa, >=98% (TLC), powder
Calmidazolium chloride, solid
Calcium Ionophore A23187 mixed calcium magnesium salt, Approximate 1:15 molar ratio Ca:Mg.
Cytosine beta-D-arabinofuranoside hydrochloride, crystalline
Coproporphyrin III tetramethyl ester, >=85% (HPLC)
Chicoric Acid, >=95% (HPLC)
Calcium Ionophore A23187 hemimagnesium salt,
Pyrocatechol, >=99%
NG,NG-Dimethyl-L-arginine di(p-hydroxyazobenzene-p-sulfonate) salt, >=99% (TLC)
1,4-Dideoxy-1,4-imino-D-arabinitol hydrochloride, enzyme inhibitor
Diethylenetriaminepentamethylenephosphonic acid heptasodium salt, 25 % (w/v) in H2O, approx.55% (bas
P1,P5-Di(adenosine-5) pentaphosphate pentasodium salt, >=95% (HPLC), powder
Diethyl pyrocarbonate
P1,P5-Di(adenosine-5) pentaphosphate trilithium salt, >=95%, powder
Diethylenetriaminepentaacetic acid, >=99% (titration)
2,3-Dideoxycytidine 5-triphosphate sodium salt, >=90% (HPLC)
Daidzein, >=98%, synthetic
P1,P5-Di(adenosine-5) pentaphosphate ammonium salt, >=95% (HPLC), powder
Ethylene glycol-bis(2-aminoethylether)-N,N,N,N-tetraacetic acid, BioUltra, >=97%
Ethylenediaminetetraacetic acid disodium salt dihydrate, BioUltra, 98.5-101.5%
Ebselen, cysteine modifier
Ethylene glycol-bis(2-aminoethylether)-N,N,N,N-tetraacetic acid, >=97.0%
Ethylenediaminetetraacetic acid disodium salt dihydrate, ACS reagent, 99.0-101.0%
Ethylenediaminetetraacetic acid disodium salt dihydrate, Sigma Grade, plant cell culture tested, 98.
Ethylenediaminetetraacetic acid, ACS reagent, 99.4-100.6%, powder
Ethylenediaminetetraacetic acid, purified grade, >=98.5%, powder
Ethylenediaminetetraacetic acid dipotassium salt dihydrate, >=98%
Ethylenediaminetetraacetic acid disodium salt dihydrate, (titration), reagent grade, 98.5-101.5% (ti
Ethylenediaminetetraacetic acid, BioUltra, anhydrous, >=99% (titration)
5-Fluoro-2-deoxyuridine, thymidylate synthase inhibitor
2-Fluoroadenine-9-beta-D-arabinofuranoside, DNA synthesis and methylation inhibitor
Fumonisin B2 from Fusarium moniliforme, sphingosine N-acyltransferase inhibitor
Ferritin from equine spleen, Type I, saline solution
Filipin III from Streptomyces filipinensis, >=85% (HPLC)
Filipin complex from Streptomyces filipinensis, >=70% (UV)
Guaiacol, oxidation indicator
Hirudin from leeches, recombinant, expressed in Saccharomyces cerevisiae, >=7,000 ATU/mg protein (AT
Hydroquinone, meets USP testing specifications
Hydrochlorothiazide, crystalline
Hydroquinone, ReagentPlus, >=99%
5-Iodotubericidin, >=90%, solid
Iodoacetamide, BioUltra
Sodium iodoacetate, >=98%
Iodoacetic acid, >=98.0% (T)
3-Isobutyl-1-methylxanthine, >=99% (HPLC), powder
Iodoacetamide, >=99% (NMR), crystalline
3-Isobutyl-1-methylxanthine, BioUltra, >=99%
Sodium iodoacetate, BioUltra, >=98%
Ketorolac tris salt, >=99%, crystalline
Lonidamine, mitochondrial hexokinase inhibitor
Leflunomide, Immunosuppressant
L-Leucinethiol, oxidized dihydrochloride, leucine aminopeptidase inhibitor
(-)-Tetramisole hydrochloride, >=99% (GC)
N-(Methoxysuccinyl)-Ala-Ala-Pro-Val-chloromethyl ketone, elastase inhibitor
4-Methylpyrazole hydrochloride, alcohol dehydrogenase inhibitor
S-(4-Nitrobenzyl)-6-thioinosine, >=98%, solid
1-Naphthyl phosphate monosodium salt monohydrate, >=98% (titration), powder
1-Naphthyl phosphate potassium salt, powder
5-Nitro-1,10-phenanthroline, >=97%, crystalline
1-Naphthyl acetate, >=98% (C)
Nalidixic acid, >=98%
Pterine, approx.95%
Phosphocreatine di(tris) salt, approx.98% (enzymatic)
Protamine from salmon, Grade IV, Histone, free (Millon test)
Protamine sulfate salt from salmon, Grade X, amorphous powder
Protamine sulfate salt from salmon, Grade II
Protamine sulfate salt from herring, Grade III, histone, free (Millon test)
Phloretin, >=99%
Ammonium pyrrolidinedithiocarbamate, approx.99%
Pyridine-2-aldoxime methochloride,
1,10-Phenanthroline monohydrate, reagent grade
Phosphoramidon disodium salt, >=97% (TLC)
Rotenone, >=95%
Ribavirin, antiviral
Ketanserin (+)-tartrate salt, >=97%, solid
Sperm nuclei from salmon, Type II-S
Tenoxicam, NSAID
Tetramisole hydrochloride, phosphatase inhibitor
N-p-Tosyl-L-phenylalanine chloromethyl ketone, >=97% (TLC), powder
Nalpha-Tosyl-L-lysine chloromethyl ketone hydrochloride, >=96% (TLC), powder

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