16a-Hydroxyestrone sodium-3-sulfate CAS 81072-42-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81072-42-6 |
| Molecular Formula | C18H21O6S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
16a-Hydroxyestrone sodium-3-sulfate (CAS 81072-42-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H21O6S Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H21O6S Na |
| Molecular Weight | 388.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Sulfur Atoms | 1 |
Related a Standards
- [2,3,4-13C3]-16α-Hydroxyestrone (CAS 1241684-28-5)
- 16α-Hydroxyestrone diacetate (CAS 1247-71-8)
- 16a-Hydroxyestrone 16-β-D-glucuronide (CAS 15270-34-5)
- 2-Hydroxyestrone sodium 3-sulfate (CAS 21343-47-5)
- 16b-Hydroxyestrone sodium-3-sulfate (CAS 54800-12-3)
- 2-Hydroxyestrone-3-methyl ether-d (CAS 5976-63-6)
- 3-Hydroxyestrone sodium 2-sulfate (CAS 82803-17-6)
- 16b-Hydroxyestrone (CAS 966-06-3)
Recommended Standards
- pyrazolo[5,1-a]isoquinoline-1-carbaldehyde (CAS 2766427-89-6)
- Gramisterol (CAS 1176-52-9)
- Methyl 3-bromo-5-iodo-2-methylbenzoate, 97% (CAS 1370600-52-4)
- [(1-ethyl-1h-pyrrol-2-yl)methyl](methyl)amine (CAS 1211513-33-5)
- 5-propyl-2-(1H-pyrrol-1-yl)-1,3-thiazole-4-carboxylic acid (CAS 1623084-02-5)
- 4-Chloro-2-(piperidin-4-yl)phenol hydrochloride (CAS 1311254-53-1)
- Palmitoyl Tripeptide-5 TFA (CAS 623172-55-4（free base）)
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