5-Methylthieno[2,3-d]pyrimidine CAS 19673-87-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19673-87-1 |
| Molecular Formula | C7H6N2S |
| Molecular Weight | 150.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methylthieno[2,3-d]pyrimidine (CAS 19673-87-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H6N2S. Molecular weight: 150.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H6N2S |
| Molecular Weight | 150.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylthieno Standards
- 6-Methylthieno[2,3-d]pyrimidine (CAS 106691-22-9)
- 2-Methylthieno[2,3-d]pyrimidine (CAS 56844-01-0)
- 7-methylthieno[3,2-d]pyrimidine (CAS 871013-26-2)
- 4-Methylthieno[3,4-b]pyridine (CAS 109510-31-8)
- 7-Methylthieno[3,2-b]pyridine (CAS 13362-83-9)
- 5-Methylthieno[3,2-b]pyridine (CAS 1759-29-1)
- 2-Methylthieno[3,2-b]thiophene (CAS 13393-75-4)
- 3-Methylthieno[2,3-b]thiophene (CAS 1723-34-8)
Recommended Standards
- 4-Hydroxytetrahydro-2H-thiopyran 1,1-Dioxide (CAS 194152-05-1)
- 2-methoxyethyl 2-sulfanylacetate (CAS 19788-48-8)
- 3-Methanesulfonylcyclobutan-1-ol (CAS 1935420-21-5)
- 2-Oxo-2-(m-tolylamino)ethyl 5-bromofuran-2-carboxylate (CAS 386277-07-2)
- 6-Bromo-4-propyl-2H-1,4-benzoxazin-3-one (CAS 1365273-01-3)
- Argatroban Impurity 118 (CAS CATO-C4X-1007118)
- Diacerein Impurity 14 (CAS 72049-19-5)
- N-(2-Chloroethyl)quinoline-2-carboxamide (CAS 202191-13-7)
- N1-(6-Morpholinopyrimidin-4-yl)benzene-1,4-diamine (CAS 1706447-14-4)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
Why CATO?
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