rac-Clopidogrel, >98% CAS 90055-48-4
| CAS No. | 90055-48-4 |
| Molecular Formula | C16H16ClNO2S |
| Molecular Weight | 321.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H16ClNO2S, rac-Clopidogrel, >98% contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 321.82 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).
rac-Clopidogrel, >98% (CAS 90055-48-4), molecular formula C16H16ClNO2S and molecular weight 321.82 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures rac-Clopidogrel, >98% under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H16ClNO2S |
| Molecular Weight | 321.82 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related rac Standards
- Clopidogrel EP impurity B (CAS 1396841-05-6)
- (S)-Clopidogrel (CAS 113665-84-2)
- Clopidogrel Impurity 5 (CAS CATO-C4X-10295)
- Clopidogrel Impurity 42 (CAS 109904-36-1)
- Clopidogrel Impurity 45 (Mixture of Diastereomers) (CAS CATO-C4X-102945)
- rac-Clopidogrel Acid N-Oxide (CAS CATO-C4X-102947)
- Clopidogrel Impurity 56 (CAS 1346605-15-9)
- (±)-Clopidogrel-(<I>phenyl</I>-<SUP>13</SUP>C<SUB>6</SUB>) (CAS 1619981-08-6)
Recommended Standards
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- 6-Bromo-4-chloroquinoline-2-carboxylic acid (CAS 887589-43-7)
- Ethyl 5-(3-chloro-2-fluorophenoxy)pentanoate (CAS 1443342-67-3)
- 4-(6-Methoxynaphthalen-2-yl)aniline (CAS 942475-09-4)
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- Atrasentan Impurity 79 (CAS 1058552-21-8)
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Why CATO?
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