4-Chloro-5,6-dimethyl-2-phenylthieno[2,3-d]pyrimidine CAS 83548-60-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83548-60-1 |
| Molecular Formula | C14H11ClN2S |
| Molecular Weight | 274.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5,6-dimethyl-2-phenylthieno[2,3-d]pyrimidine (CAS 83548-60-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11ClN2S. Molecular weight: 274.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H11ClN2S |
| Molecular Weight | 274.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Chloro-5-(3,4-dimethylphenyl)thieno[2,3-d]pyrimidine (CAS 379241-56-2)
- 4-Chloro-6-methyl-5-(4-methylphenyl)thieno[2,3-d]pyrimidine (CAS 610274-05-0)
- 4-chloro-3-(piperidin-1-ylsulfonyl)aniline (CAS 560995-29-1)
- Pomalidomide-PEG5-OH (CAS 2140807-34-5)
- 2-(2-Bromopyrimidin-5-yl)acetic acid (CAS 1379330-42-3)
- 3-(Methylsulfonamido)benzaldehyde (CAS 55512-05-5)
- Methyl 2-amino-3-(2-chlorophenyl)propanoate hydrochloride (CAS 37844-15-8)
- 4-(5-Fluoro-1,3-dioxoisoindolin-2-yl)benzoic acid (CAS 299963-58-9)
- Methyl 2-amino-4-bromo-3-fluorobenzoate (CAS 1825390-63-3)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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