7-(Chloromethyl)-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one CAS 943656-55-1
| CAS No. | 943656-55-1 |
| Molecular Formula | C8H7ClN2OS |
| Molecular Weight | 214.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-(Chloromethyl)-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one 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.
CATO supplies 7-(Chloromethyl)-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (CAS 943656-55-1), a certified reference material (molecular formula C8H7ClN2OS, MW 214.67 g/mol) for analytical method development and quality control.
7-(Chloromethyl)-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (C8H7ClN2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7ClN2OS |
| Molecular Weight | 214.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| 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 Chloromethyl Standards
- 7-(Chloromethyl)-3-methyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-81-4)
- 2-(Chloromethyl)-4-methoxythieno[3,2-d]pyrimidine (CAS 1421311-90-1)
- 2-(Chloromethyl)-5-methylthieno[2,3-d]pyrimidin-4-ol (CAS 568577-81-1)
- 2-(Chloromethyl)-6-methylthieno[2,3-d]pyrimidin-4-ol (CAS 878699-59-3)
- Methyl 4-(chloromethyl)-2-methoxybenzoate (CAS 1263285-16-0)
- N-(6-(Chloromethyl)-4-methoxypyridin-2-yl)acetamide (CAS 1393543-85-5)
- 2-Chloromethyl-4,6-dimethoxybenzaldehyde, 97% (CAS 166322-67-4)
- Methyl 2-(chloromethyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylate (CAS 1707562-64-8)
Recommended Standards
- 6-Chloro-4-methoxybenzo[d]thiazol-2-amine (CAS 2351222-44-9)
- Butyl 2-(chlorosulfonyl)acetate (CAS 866128-20-3)
- 6-Chloro-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid (CAS 26018-74-6)
- ethyl 2-(chlorosulfonyl)-2-methylpropanoate (CAS 55896-99-6)
- 1-(4-Phenoxyphenyl)ethan-1-ol (CAS 4974-85-0)
- 2,3,4,9-tetrahydro-1H-carbazole (CAS 942-01-8)
- Methyl 2-fluoro-4-(2-fluoro-5-methylphenyl)benzoate (CAS 1820704-29-7)
- N-(8-Hydroxyquinolin-5-yl)acetamide (CAS 65618-64-6)
- 4-Methoxy-2-(trifluoromethoxy)aniline (CAS 1261442-83-4)
- Sodium 4-Aminophenylarsonate (CAS 127-85-5)
- 2-(3-(((Benzyloxy)carbonyl)amino)-2-oxopyridin-1(2H)-yl)acetic acid (CAS 157754-77-3)
- N-((11bS)-2,6-Bis(3,5-bis(trifluoromethyl)phenyl)-4-(((trifluoromethyl)sulfonyl)imino)-4l5-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-1,1,1-trifluoromethanesulfonamide (CAS 2095607-81-9)
- 4-(1,2,3-Thiadiazol-4-yl)phenyl 4-chlorobenzenesulfonate (CAS 341964-22-5)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
Why CATO?
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