7-(Chloromethyl)-2-(methoxymethyl)-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one CAS 1245569-89-4
| CAS No. | 1245569-89-4 |
| Molecular Formula | C8H8ClN3O2S |
| Molecular Weight | 245.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-(Chloromethyl)-2-(methoxymethyl)-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 1245569-89-4), molecular formula C8H8ClN3O2S and molecular weight 245.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-(Chloromethyl)-2-(methoxymethyl)-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (C8H8ClN3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 245.69 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 7-(Chloromethyl)-2-(methoxymethyl)-5H-[1,3,4]thiadiazolo[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.
Physical & Chemical Properties
| Molecular Formula | C8H8ClN3O2S |
| Molecular Weight | 245.69 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 2-(Chloromethyl)-4-(2,6-difluorophenyl)-1,3-thiazole (CAS 1343924-10-6)
- 4-(Chloromethyl)-2-(3,4-dihydronaphthalen-2-yl)oxazole (CAS 186895-43-2)
- 4-(cHloromethyl)-n-phenylbenzamide (CAS 226250-00-6)
- 3-(Chloromethyl)-7-(trifluoromethyl)quinoline (CAS 1610696-38-2)
- 5-(chloromethyl)-3-(3-chlorophenyl)-1,3-oxazolidin-2-one (CAS 1204297-13-1)
- 5-(Chloromethyl)-3-(4-chlorophenyl)oxazolidin-2-one (CAS 99184-18-6)
- 2,6-Bis(chloromethyl)-4-tolylacetate (CAS 19228-70-7)
- 2-(Chloromethyl)-5-(4-chlorophenyl)-1,3,4-thiadiazole (CAS 851983-40-9)
Recommended Standards
- 1,3-Dimethyl-1H-pyrazolo[3,4-b]pyridine-5-sulfonyl chloride (CAS 1235439-97-0)
- 4,6-Dimethyl-1h-pyrazolo[3,4-b]pyridine-3-sulfonyl chloride (CAS 134310-07-9)
- N-(6-chloro-2-cyanopyridin-3-yl)-n-methylmethanesulfonamide (CAS 1073159-74-6)
- 5,7-Dimethylpyrazolo[1,5-a]pyrimidine-3-sulfonyl chloride (CAS 61552-52-1)
- 2-Amino-6-methoxybenzo[b]thiophene-3-carbonitrile (CAS 221061-11-6)
- (R)-Octahydro-pyrido[1,2-a]pyrazin-4-one (CAS 1187929-90-3)
- 3-Hydroxy-N-methylbenzenesulfonamide (CAS 612499-25-9)
- Levofloxacin impurity 65 (CAS CATO-C4X-137165)
- N-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-(4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)acetamide (CAS 338409-44-2)
- 2-(3,5-Dimethylisoxazol-4-yl)-1-(4-hydroxypiperidin-1-yl)ethan-1-one (CAS 1154156-03-2)
- 2-(2-Chloroethyl)-6-fluoro-1H-benzimidazole 3102AF 915923-27-2 C9H8ClFN2 (CAS 915923-27-2)
- 1-Acetyl-1H-indole-2-carbaldehyde (CAS 216530-78-8)
- 4-Chloro-6-ethylpyrimidine (CAS 141602-25-7)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com