Methyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate CAS 883870-28-8
| CAS No. | 883870-28-8 |
| Molecular Formula | C7H6Cl2N2O2S |
| Molecular Weight | 253.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate (C7H6Cl2N2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 253.11 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Methyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate (CAS 883870-28-8), molecular formula C7H6Cl2N2O2S and molecular weight 253.11 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H6Cl2N2O2S |
| Molecular Weight | 253.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- 8-Bromo-1-ethyl-2-fluoronaphthalene (CAS 2792709-80-7)
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- 2-Methyl-5-nitroisoquinolin-1(2H)-one (CAS 42792-96-1)
- N-Acetyl-2’,3’-O-isopropylidene-guanosine 5’-Acetate (CAS 106743-56-0)
- 2-chloro-4-methoxy-5-methylaniline (CAS 344794-49-6)
- n-(Pyridin-3-ylmethyl)heptan-4-amine (CAS 1042611-42-6)
- N-(2-Amino-5,6,7,8-tetrahydroquinazolin-6-yl)acetamide (CAS 285139-04-0)
- 1-Amino-2-methylpentane (CAS 13364-16-4)
- 3-(Difluoromethoxy)-2,4,6-trimethylbenzaldehyde (CAS 88339-57-5)
- 3-Amino-4-ethoxybenzoic acid (CAS 875256-49-8)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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