4-Chloro-6-ethoxy-2-(methylsulfinyl)pyrimidine CAS 1289386-28-2
| CAS No. | 1289386-28-2 |
| Molecular Formula | C7H9ClN2O2S |
| Molecular Weight | 220.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-6-ethoxy-2-(methylsulfinyl)pyrimidine (CAS 1289386-28-2), molecular formula C7H9ClN2O2S and molecular weight 220.68 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 4-Chloro-6-ethoxy-2-(methylsulfinyl)pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 220.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloro-6-ethoxy-2-(methylsulfinyl)pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H9ClN2O2S |
| Molecular Weight | 220.68 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-N,N-dimethylpyridine-4-sulfonamide (CAS 1179681-83-4)
- 3-(2-Chloro-1,3-thiazol-4-yl)benzonitrile (CAS 1343963-66-5)
- 6-Chloro-n,2-dimethylpyridine-3-sulfonamide (CAS 1355180-86-7)
- (2-Chloro-4-(methylsulfonyl)phenyl)hydrazine (CAS 85634-77-1)
- 2-Chloro-4,6-dimethylpyridine-3-sulfonamide (CAS 294876-56-5)
- 2-Chloro-6-(thiophen-2-yl)nicotinonitrile (CAS 946385-78-0)
- 2-Chloro-N-ethylpyridine-3-sulfonamide (CAS 38030-55-6)
- 3-Chloro-5-phenylisothiazole-4-carbonitrile (CAS 28989-23-3)
Recommended Standards
- N-(2-Amino-6-chlorophenyl)methanesulfonamide (CAS 1248124-91-5)
- 3-Cyclopropyl-1-methyl-1h-pyrazole-5-sulfonyl chloride (CAS 1343588-67-9)
- 5,6,7,8-Tetrahydroimidazo[1,2-a]-pyridine-3-sulfonyl chloride (CAS 1216892-47-5)
- 2-(5-Methylpyrazin-2-yl)ethane-1-sulfonyl chloride (CAS 1196151-37-7)
- 4-Bromo-2-nitrobenzenethiol (CAS 76209-02-4)
- 5-(4-Chlorophenyl)-6-hydroxynicotinic acid (CAS 1262010-75-2)
- 2-Carboethoxy-3-methoxybenzophenone (CAS 750633-61-5)
- n-Allyl-5-phenyl-1h-pyrazole-3-carboxamide (CAS 1027618-07-0)
- 7,9-Dihydro-1H-purine-2,6,8(3H)-trione, potassium salt (CAS 7000-30-8)
- Methyl 2,3-diamino-4-(trifluoromethyl)benzoate (CAS 913299-81-7)
- 3-(4-Methoxyphenyl)-2-((4-methylbenzyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477332-81-3)
- 1-(2,5-Dimethylfuran-3-yl)pentane-1,3-dione (CAS 1037150-20-1)
- 4-(1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)ethyl)pyrimidin-2-amine (CAS 338397-88-9)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
Why CATO?
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