Home > Pharmacopoeial Impurity Standards > Testosterone Impurity N71 (571-24-4)
Testosterone Impurity N71 CAS 571-24-4
Purity 97%+ In Stock Pharmacopoeial Impurity Standards
CAS No. 571-24-4
Molecular Formula C19H30O2
Molecular Weight 290.44 g/mol
Category Pharmacopoeial Impurity Standards / EP Impurities
Availability In Stock
Description Order Testosterone Impurity N71 (CAS 571-24-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C19H30O2. Molecular weight: 290.44 g/mol. COA included with every batch.
Physical & Chemical Properties Molecular Formula C19H30O2 Molecular Weight 290.44 g/mol Appearance Off-white to pale yellow crystalline powder Purity 97%+ Storage Store at room temperature 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 Testosterone Standards
Recommended Standards 26474-40-8
cis-Parinaric acid methyl ester
9,11,13,15-Octadecatetraenoic acid, methyl ester, (Z,Z,E,E)-
9,11,13,15-cis,trans,trans,cis-Octadecatetraenoic acid methyl ester (CAS 26474-40-8) Nonadeca-2,4-diynoic acid (CAS 76709-55-2) 5323-27-3
V7W74907I7
1-Androstenediol
UNII-V7W74907I7
3beta,17beta-Dihydroxy-5alpha-androst-1-ene
5alpha-Androst-1-ene-3beta,17beta-diol
Androst-1-ene-3,17-diol, (3beta,5alpha,17beta)-
J1.958.985D (CAS 5323-27-3) Naltrexone Impurity 20 (CAS CATO-C4X-147520) Aciclovir EP Impurity F (CAS 110104-37-5) Potassium ((2R)-2-(tert-butyl)cyclopropyl)trifluoroborate (CAS 2375371-69-8) Fmoc-His(Fmoc)-OH (CAS 98929-98-7) (1-(3-Fluorobenzyl)cyclopropyl)methanamine (CAS 1439896-90-8) 6-Fluoro-2-[(2-fluoroethyl)sulfanyl]-1,3-benzoxazole (CAS 155559-57-2) Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
« 5beta-Dihydrotestosterone (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-4,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
5-Androsten-17beta-ol-3-one
571-25-5 »
Why CATO?
ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
130,000+ catalog items in stock, COA supplied with every batch
Worldwide shipping with full export documentation (HS code guidance available)
Technical support: +86 13829788188 / jacky.chen@cato-chem.com