11，15-Dihydroxy-16-kauren-19-oic acid CAS 57719-76-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57719-76-3 |
| Molecular Formula | C20H30O4 |
| Molecular Weight | 334.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
11，15-Dihydroxy-16-kauren-19-oic acid (CAS 57719-76-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H30O4. Molecular weight: 334.45 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H30O4 |
| Molecular Weight | 334.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Dihydroxy Standards
- 3α,11 β-Dihydroxy-5α-pregnan-20-one (CAS 23930-29-2)
- 3α,21-Dihydroxy-5α-pregnan-20-one (CAS 567-02-2)
- 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
- 1-[3-(2-Aminoethyl)-2-(phenylmethyl)-1H-indol-1-yl]-1-pentanone (CAS 343263-95-6)
- 13-(Benzyloxy)-13-oxotridecanoic acid (CAS 261178-55-6)
- 1-(Benzylamino)-3-(1,2,3,4-tetrahydro-9H-carbazol-9-yl)propan-2-ol (CAS 300590-63-0)
- 6-Bromo-5-fluoronicotinonitrile (CAS 1806062-09-8)
- 9-Methoxy-alpha-lapachone (CAS 35241-80-6)
- H-Phe(3-Cl)-OH (CAS 80126-51-8)
- 1-Pyrrolidinyl[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinyl]-methanone (CAS 940314-18-1)
- Ruthenium,O-(2,7,7,8-tetraaminopurin-7-ium-6-yl)hydroxylamine,trichloride (CAS 63313-46-2)
- Creatine Phosphate Impurity 13 (CAS 1623-14-9)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
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