17-alfa,20-alfa-Dihydroxy Progesterone-d5 CAS 652-69-7
| CAS No. | 652-69-7 |
| Molecular Formula | C21H32O3 |
| Molecular Weight | 332.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 17-alfa,20-alfa-Dihydroxy Progesterone-d5.
17-alfa,20-alfa-Dihydroxy Progesterone-d5 (CAS 652-69-7), molecular formula C21H32O3 and molecular weight 332.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H32O3, 17-alfa,20-alfa-Dihydroxy Progesterone-d5 contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 332.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 17-alfa,20-alfa-Dihydroxy Progesterone-d5 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H32O3 |
| Molecular Weight | 332.48 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.) | 1957 |
Related alfa Standards
- 17-alfa,20-beta-Dihydroxy Progesterone (CAS 1662-06-2)
- 3-beta,5-alfa-Tetrahydrodeoxycorticosterone (CAS 567-01-1)
- 16-alfa-Hydroxy Progesterone (CAS 438-07-3)
- alfa-Bromo-(m-Benzoyloxy) acetophenone (CAS 139-27-5)
- 20-alfa-Dihydropregnenolone (CAS 901-56-4)
- alfa-Levantenolide (CAS 30987-48-5)
- 3-alfa,5-beta-Tetrahydro Levonorgestrel (CAS 19351-16-7)
- 5-alfa-Dihydrolevonorgestrel (CAS 78088-19-4)
Recommended Standards
- 11β-Hydroxy-5α-pregnane-3,20-dione (CAS 565-94-6)
- 17-O-Acetyl 19-Normethandriol (CAS 96059-83-5)
- 11α-Hydroxyallopregnane-3,20-dione (CAS 565-96-8)
- 1-Cyclohexyl-4,4-diethoxy-2-methyl-2-phenylbutan-1-one (CAS 228419-03-2)
- N-Ethylsuccinimide (CAS 2314-78-5)
- 1-(2-azidoethyl)-1H-1,3-benzodiazole (CAS 1247135-06-3)
- 5-Chloropyrazin-2(1H)-one (CAS 89180-45-0)
- 4-(2-Aminoethyl)thiomorpholine 1,1-Dioxide (CAS 89937-52-0)
- 5-Amino-1-(methoxymethyl)-1H-imidazole-4-carbonitrile (CAS 87460-49-9)
- 6-Methoxy-2-(4-nitrophenyl)-3,4-dihydronaphthalen-1(2H)-one (CAS 1451449-50-5)
- 1,3-dimethyl-1H,4H,5H,6H-pyrazolo[3,4-b][1,4]thiazine (CAS 1354952-12-7)
- 5-(2-Methoxybenzyl)-8-methyl-3-phenyl-5H-pyrazolo[4,3-c]quinoline (CAS 866728-60-1)
- Magnesium malate (CAS 869-06-7)
- Heme iron polypeptide(Hematin) (CAS 14875-96-8)
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