Progesterone Impurity 73 CAS 1229-18-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1229-18-1 |
| Molecular Formula | C19H24O2 |
| Molecular Weight | 284.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Progesterone Impurity 73 (CAS 1229-18-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H24O2. Molecular weight: 284.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H24O2 |
| Molecular Weight | 284.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Progesterone Standards
- Progesterone Impurity 72 (CAS 93519-10-9)
- Progesterone Impurity 74 (CAS 96893-14-0)
- Progesterone Impurity 37 (CAS 3962-66-1)
- Progesterone Impurity 38 (CAS 19289-77-1)
- Progesterone Impurity 39 (CAS 2645-92-3)
- Progesterone Impurity 75 (CAS 796-24-7)
- Progesterone Impurity N47 (CAS 82182-55-6)
- Progesterone Impurity 76 (CAS CATO-C4X-150276)
Recommended Standards
- Mivacurium chloride Impurity 38 (CAS CATO-C4X-137538)
- Estradiol Impurity 26 (CAS CATO-C4X-163626)
- Mivacurium chloride Impurity 29 (CAS 53432-90-9)
- Dapagliflozin impurity 224 (CAS CATO-C4X-1138224)
- Cefoxitin Impurity 31 (CAS CATO-C4X-157831)
- 3-Oxo-4-aza-5-androstene-17β-carboxylic acid (CAS 103335-54-2)
- 1-(4-Chlorophenyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 19920-11-7)
- 8-Hydroxy-6-methoxy-2-phenylisoquinolin-1(2H)-one (CAS 1262144-38-6)
- 1-(4-Fluorophenyl)-1H-1,2,4-triazol-3-ol (CAS 42158-50-9)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com