Ritonavir Impurity 42 CAS 38585-74-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 38585-74-9 |
| Molecular Formula | C4H5NOS |
| Molecular Weight | 115.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ritonavir Impurity 42 (CAS 38585-74-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H5NOS. Molecular weight: 115.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5NOS |
| Molecular Weight | 115.15 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ritonavir Standards
- Ritonavir Impurity 44 (CAS 652131-62-9)
- Ritonavir Impurity 47 (CAS CATO-C4X-175147)
- Ritonavir Impurity 18 (CAS 1370406-80-6)
- Ritonavir Impurity 1 (CAS 201409-23-6)
- Ritonavir EP Impurity B DiHCl (CAS CATO-C4X-175127)
- Ritonavir Impurity 29 xHCl (CAS 959315-21-0（free base）)
- Ritonavir Impurity 31 (CAS 154212-59-6)
- Ritonavir Impurity 36 (CAS CATO-C4X-175136)
Recommended Standards
- Isothiazol-5-yl-methanol (CAS 1710-66-3)
- 2-Methyl-4-Isothiazolin-3-One (CAS 2682-20-4)
- 201017-90-5 Oxazole, 2-(methylthio)- DTXSID50448675 (CAS 201017-90-5)
- Mavacamten Impurity 3 (CAS CATO-C4X-29823)
- Flurbiprofen Impurity 124 (CAS CATO-C4X-1444124)
- 1-(2-Cyclopropylpyrazolo[1,5-a]pyrazin-4-yl)pyrrolidin-3-amine (CAS 1713639-32-7)
- (2S,3S)-2-(2-CHlorophenyl)-1-(2-methoxyethyl)-6-oxopiperidine-3-carboxylic acid (CAS 1391474-72-8)
- Opicapone impurity 61 (CAS CATO-C4X-240461)
- tert-Butyl 3-amino-4-cyclopropylthiophene-2-carboxylate (CAS 1603055-06-6)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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