2,5-Dimethyl-4-(4-methylpiperazin-1-yl)thieno[2,3-d]pyrimidine-6-carboxylic acid CAS 421565-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 421565-56-2 |
| Molecular Formula | C14H18N4O2S |
| Molecular Weight | 306.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dimethyl-4-(4-methylpiperazin-1-yl)thieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 421565-56-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H18N4O2S. Molecular weight: 306.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H18N4O2S |
| Molecular Weight | 306.38 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
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- 1-(5-(2,5-Dimethyl-1H-pyrrol-1-yl)-1,3,4-thiadiazol-2-yl)piperidine-3-carboxylic acid (CAS 903174-30-1)
- 2-((4,5-Dimethyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-ethoxyphenyl)acetamide (CAS 333417-09-7)
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Recommended Standards
- 2-(Benzo[d]thiazol-2-yl)-3-(4-ethoxyphenyl)acrylonitrile (CAS 463973-12-8)
- 2-{[3-(3-methylbutyl)-4-oxo-3,4-dihydroquinazolin-2-yl]sulfanyl}acetic acid (CAS 750624-64-7)
- 2-(3,4,5-Trimethoxyphenyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine (CAS 919734-37-5)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-ethyl-6-methylphenyl)acetamide (CAS 587012-06-4)
- 3-(Hydroxymethyl)-5,5-dimethylpyrrolidin-2-one (CAS 2220206-42-6)
- 5-(3-(Methylsulfonyl)phenyl)-N-(6-(piperidin-4-yl)pyridin-3-yl)-[1,2,4]triazolo[1,5-a]pyridin-2-amine (CAS 1202490-36-5)
- 4-Amino-2-bromo-3-fluorobenzonitrile (CAS 1699549-33-1)
- 3,5-Bis((4-chlorobenzyl)thio)-1,2,4-thiadiazole (CAS 330551-83-2)
- 2,2-difluoro-2-(3-methyl-1H-1,2,4-triazol-5-yl)ethan-1-amine (CAS 1803608-53-8)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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