Home > Pharmaceutical Standards > 3α,21-Dihydroxy-5α-pregnan-20-one (567-02-2)
3α,21-Dihydroxy-5α-pregnan-20-one CAS 567-02-2
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 567-02-2
Molecular Formula C21H34O3
Molecular Weight 334.49 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description 3α,21-Dihydroxy-5α-pregnan-20-one (CAS 567-02-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H34O3. Molecular weight: 334.49 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties Molecular Formula C21H34O3 Molecular Weight 334.49 g/mol Appearance Off-white to pale yellow crystalline powder Purity 97%+ Storage Store at room temperature, keep sealed and dry Solubility (reference) Soluble in chloroform, dichloromethane, ethyl acetate, DMSO Stability May oxidize slowly on prolonged air exposure Degree of Unsaturation (DBE) 5.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1957
Related Dihydroxy Standards 3α,11 β-Dihydroxy-5α-pregnan-20-one (CAS 23930-29-2) 11,15-Dihydroxy-16-kauren-19-oic acid (CAS 57719-76-3) 6,6'-Dihydroxy-5,5'-dimethoxy-[1,1'-biphenyl]-3,3'-dicarboxylic acid (CAS 2134-90-9) 3,4-Dihydroxy-N-methyl-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide (CAS 1313738-86-1) 5,7-Dihydroxy-2',2'-dimethyl-2'H,4H-[3,6'-bichromen]-4-one (CAS 121747-89-5) 2,5-dihydroxy-3,6-bis(4-hydroxyphenyl)cyclohexa-2,5-diene-1,4-dione (CAS 519-67-5) 2,4-Dihydroxy-6-tridecylbenzoic Acid (CAS 62071-09-4) 5,12-Dihydroxy-6,8,10,14-Eicosatetraenoic Acid (CAS 73151-67-4)
Recommended Standards 4-nitrophenyl 2-chloroacetate (CAS 79328-69-1) 3-beta,5-alfa-Tetrahydrodeoxycorticosterone (CAS 567-01-1) 5a-Pregnan-3b,17a-diol-20-one (CAS 570-54-7) Dimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)methyl)phosphine oxide (CAS 2444346-69-2) Ethyl 4-cyano-5-isobutyramido-3-methylthiophene-2-carboxylate (CAS 449177-10-0) 6-(4-Fluorophenyl)pyridin-2-amine (CAS 1159819-35-8) [Ala-Pro-Gly-(Ile3,Val5)] Angiotensin II (CAS 72007-47-7) Acenocoumarol 6-Hydroxy Impurity (CAS 64180-13-8) 2-(2-(Methylsulfonyl)ethyl)aniline (CAS 1034287-40-5) Atrial Natriuretic Peptide (ANP)(1-28) Alpha (Human, Ovine, Canine) (CAS 91917-63-4)
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