Cefotiam CAS 61622-34-2
| CAS No. | 61622-34-2 |
| Molecular Formula | C18H23N9O4S3 |
| Molecular Weight | 525.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 525.63 g/mol gives Cefotiam distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Cefotiam (CAS 61622-34-2) is a high-purity analytical reference standard with the molecular formula C18H23N9O4S3 and a molecular weight of 525.63 g/mol.
Structurally, Cefotiam (C18H23N9O4S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 525.63 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Cefotiam 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 | C18H23N9O4S3 |
| Molecular Weight | 525.63 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 9 |
| Sulfur Atoms | 3 |
Related Cefotiam Standards
- Cefotiam Impurity 17 (CAS CATO-C4X-120417)
- Cefotiam Impurity 24 (CAS CATO-C4X-120424)
- delta(3)-Cefotiam (CAS 142182-63-6)
- Cefotiam Impurity 20 (CAS CATO-C4X-120420)
- Cefotiam Impurity 9 (CAS CATO-C4X-12049)
- Cefotiam Impurity 11 (CAS CATO-C4X-120411)
- Cefotiam Impurity 32 (CAS CATO-C4X-120432)
- Cefotiam Impurity 51 (CAS CATO-C4X-120451)
Recommended Standards
- N-[3,5-Bis(trifluoromethyl)phenyl]-N'-[(1S,2S)-2-(dipentylamino)cyclohexyl]thiourea (CAS 1429516-79-9)
- (S)-benzyl tert-butyl (6-oxo-6-(4-(pyridin-4-yl)piperazin-1-yl)hexane-1,5-diyl)dicarbamate (CAS 204692-51-3)
- 1-(3,5-Bis(trifluoromethyl)phenyl)-3-((1R,2R)-2-(dipentylamino)cyclohexyl)thiourea (CAS 2097443-87-1)
- tert-Butyl (2S,4R)-4-(tosyloxy)-2-((tosyloxy)methyl)pyrrolidine-1-carboxylate (CAS 61478-27-1)
- 3-Fluoro-1,5-naphthyridin-2-amine (CAS 1609946-85-1)
- 1-[(2-Methyl-4-methylsulfonyl)phenyl]piperidine-2-carboxylic acid (CAS 1188371-40-5)
- 5-(Aminomethyl)fluorescein hydrochloride, 90% (CAS 141749-41-9)
- 1,5-Dibromo-2,4-dimethylbenzene, 97% (CAS 615-87-2)
- 6-{[cyclopropyl(methyl)amino]methyl}-1,3-benzothiazol-2-amine (CAS 1496143-70-4)
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- Methyl 6-((5-cyanopyrazin-2-yl)amino)-4-((piperidin-2-ylmethyl)amino)nicotinate (CAS 1137476-95-9)
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Why CATO?
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