7-Cyclopropyl-1-ethyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid CAS 938002-51-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 938002-51-8 |
| Molecular Formula | C13H13N3O3S |
| Molecular Weight | 291.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Cyclopropyl-1-ethyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid (CAS 938002-51-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H13N3O3S. Molecular weight: 291.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H13N3O3S |
| Molecular Weight | 291.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cyclopropyl Standards
- Methyl 1-cyclopropyl-7-methyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylate (CAS 938012-31-8)
- N-(2-Cyclopropyl-2-hydroxypropyl)-2,6-difluorobenzenesulfonamide (CAS 1286732-60-2)
- N-(3-Cyclopropyl-3-hydroxypropyl)-2,6-difluorobenzenesulfonamide (CAS 1396687-36-7)
- N-(3-Cyclopropyl-3-hydroxypropyl)-3,4-difluorobenzenesulfonamide (CAS 1396815-94-3)
- 2-[3-(Cyclopropyl-methyl-amino)-pyrrolidin-1-yl]-ethanol (CAS 1353985-89-3)
- N-Cyclopropyl-3-(1H-indazol-5-yl)-4-methylbenzamide (CAS 651780-47-1)
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- N-[5-cyclopropyl-3-(3-fluorophenyl)-1H-pyrazol-4-yl]-2-methylpropanamide (CAS 1190260-34-4)
Recommended Standards
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- n-(4-Chloro-2-nitrophenyl)-3-oxobutanamide (CAS 34797-69-8)
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- 4-(Aminomethyl)-6-(difluoromethyl)-3-hydroxypicolinic acid (CAS 1806948-55-9)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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