5-ethyl-2-mercapto-3-(4-methoxy-2-methylphenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one CAS 854039-11-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 854039-11-5 |
| Molecular Formula | C17H18N2O2S2 |
| Molecular Weight | 346.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-ethyl-2-mercapto-3-(4-methoxy-2-methylphenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 854039-11-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H18N2O2S2. Molecular weight: 346.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H18N2O2S2 |
| Molecular Weight | 346.47 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-(Bis(4-(dimethylamino)phenyl)methyl)phenol (CAS 652-46-0)
- Bis(4-(dimethylamino)phenyl)(phenyl)methanol (CAS 510-13-4)
- 4-(4-(Dimethylamino)phenyl)-1-((E)-1,3,3-trimethylindolin-2-ylidene)but-3-en-2-one (CAS 75513-45-0)
- 1-(Aminomethyl)-3,3-dipropylcyclobutane-1-carboxylic acid (CAS 1481894-29-4)
- 4-(3-Fluorocyclobutyl)aniline (CAS 1897552-25-8)
- (2-(tert-Butoxycarbonyl)-4-methoxyphenyl)boronic acid (CAS 797756-34-4)
- 3-Hydroxy-3-(trifluoromethyl)pyrrolidine-2-carboxylic acid (CAS 1423024-00-3)
- (3-Chloropropoxy) Trimethylsilane (CAS 18171-15-8)
- 4-MEthoxyphenyl 3-o-benzyl-6-o-tert-butyldimethylsilyl-2-deoxy-2-phthalimido-beta-d-glucopyranoside (CAS 946075-95-2)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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