2-(Chloromethyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one CAS 81516-46-3
| CAS No. | 81516-46-3 |
| Molecular Formula | C7H6ClN3OS |
| Molecular Weight | 215.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 215.66 g/mol gives 2-(Chloromethyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(Chloromethyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 81516-46-3), molecular formula C7H6ClN3OS and molecular weight 215.66 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6ClN3OS, 2-(Chloromethyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 2-(Chloromethyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one 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 | C7H6ClN3OS |
| Molecular Weight | 215.66 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.) | 1980 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 3-(chloromethyl)-5-(4-methyl-1,3-thiazol-5-yl)-1,2,4-oxadiazole (CAS 1152504-93-2)
- 7-(Chloromethyl)-2-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 854035-94-2)
- 3-(chloromethyl)-2-methyl-6-(trifluoromethyl)pyridine (CAS 917396-29-3)
- 4-(chloromethyl)-2-ethoxy-1-nitrobenzene (CAS 1249505-29-0)
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- 5-(Chloromethyl)-2-methyl-4-(trifluoromethyl)thiazole (CAS 1171310-98-7)
Recommended Standards
- 1H-Indole-3-sulfonyl chloride (CAS 886578-15-0)
- 2-(cyanomethyl)benzene-1-sulfonyl chloride (CAS 27350-00-1)
- (E)-6-chloroimidazo[2,1-b]thiazole-5-carbaldehyde O-methyl oxime (CAS 24918-21-6)
- 2-Chloro-4-(methylsulfonyl)benzonitrile (CAS 869586-86-7)
- (S)-3-(Pyridin-3-yl)morpholine (CAS 1213926-51-2)
- p-Tolyl Isobutyrate (CAS 103-93-5)
- MGB-BP-3 (CAS 1000277-08-6)
- 3,9-Diazabicyclo[3.3.2]decan-10-one (CAS 1487352-53-3)
- 1-Nitro-3-(propan-2-ylsulfanyl)benzene (CAS 70415-89-3)
- 5-(tert-Butyl)-2-(3-chloro-4-methylphenyl)benzo[d]oxazole (CAS 42196-68-9)
- 3-Benzyl-6-cyclopropylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263212-70-9)
- Boc-D-Homoserine Lactone (CAS 67198-86-1)
- Boc-NH-PEG7-acetic acid (CAS 141282-29-3)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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