3-Methylimidazo[1,5-d][1,2,4]thiadiazole-7-carbonyl chloride CAS 54681-69-5
| CAS No. | 54681-69-5 |
| Molecular Formula | C6H4ClN3OS |
| Molecular Weight | 201.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Methylimidazo[1,5-d][1,2,4]thiadiazole-7-carbonyl chloride.
3-Methylimidazo[1,5-d][1,2,4]thiadiazole-7-carbonyl chloride (CAS 54681-69-5), molecular formula C6H4ClN3OS and molecular weight 201.63 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 3-Methylimidazo[1,5-d][1,2,4]thiadiazole-7-carbonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 201.63 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.
As a certified reference material (CRM), 3-Methylimidazo[1,5-d][1,2,4]thiadiazole-7-carbonyl chloride 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 | C6H4ClN3OS |
| Molecular Weight | 201.63 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylimidazo Standards
- methyl 3-methylimidazo[2,1-b]thiazole-2-carboxylate (CAS 1017273-35-6)
- 2-{2-methylimidazo[2,1-b][1,3]thiazol-6-yl}acetic acid (CAS 1181373-40-9)
- 2-{2-methylimidazo[1,2-a]pyrimidin-3-yl}acetic acid (CAS 1268033-69-7)
- 1-Methylimidazo[1,5-a]quinoxalin-4(5h)-one (CAS 134485-89-5)
- 3-Methylimidazo[1,2-c]quinazolin-2(3H)-one (CAS 61381-31-5)
- Ethyl 3-methylimidazo[1,2-a]pyridine-2-carboxylate (CAS 1038828-20-4)
- ethyl 2-methylimidazo[1,2-a]pyridine-6-carboxylate (CAS 1042981-09-8)
- Ethyl 3-methylimidazo[1,5-a]pyridine-7-carboxylate (CAS 1330755-50-4)
Recommended Standards
- 3-Cyanobenzenesulfonyl Chloride (CAS 56542-67-7)
- 4-Chloro-5H,6H,7H-pyrimido[4,5-b][1,4]thiazin-6-one (CAS 20015-70-7)
- 3-Chloro-N-(4-fluorophenyl)propanamide (CAS 56767-37-4)
- 4-Cyanobenzenesulfonyl Chloride (CAS 49584-26-1)
- 7-Chloro-1-(3-methylphenyl)-1-oxoheptane (CAS 898785-29-0)
- 2,3-Difluoro-6-(trifluoromethoxy)phenol (CAS 2386799-38-6)
- N2,N2-dimethylquinoline-2,4-diamine (CAS 102669-54-5)
- 2-Isopropoxy-5-(1-propylpiperidin-2-yl)pyridine (CAS 1352537-76-8)
- N-(1-Isobutyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-3-(trifluoromethyl)benzamide (CAS 941991-52-2)
- 4-Bromobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 133743-22-3)
- 2-(2-Phenoxyethoxy)aniline (CAS 114012-05-4)
- tert-Butyl 3-((2-chloro-N-isopropylacetamido)methyl)piperidine-1-carboxylate (CAS 1353963-76-4)
- Bosutinib Impurity 34 (CAS 621-42-1)
- Semaglutide-d15 (CAS 910463-68-2(non-labelled))
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