5-Amino-4-chloro-1H-benzo[d]imidazol-2(3H)-one CAS 72735-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72735-26-3 |
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-4-chloro-1H-benzo[d]imidazol-2(3H)-one (CAS 72735-26-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6ClN3O. Molecular weight: 183.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-5-chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190315-45-7)
- 2-Amino-4-chloro-1-methyl-6-oxo-1,6-dihydropyridine-3-carbonitrile (CAS 2227132-39-8)
- 5-Amino-6-chloro-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 60713-77-1)
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Recommended Standards
- 4H-Pyrazolo[5,1-c][1,4]oxazine-6-carbonitrile, 3-chloro-6,7-dihydro- (CAS 2121711-49-5)
- 4-Chloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one (CAS 2227205-65-2)
- 5-Chloro-1-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 40852-06-0)
- 1-Cyclopropyl-4-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2446483-86-7)
- 2-Deoxyguanosine-1- (CAS 478511-26-1)
- 2,6-Difluoro-DL-phenylalanine (CAS 32133-39-4)
- 3-(4-Aminobutyl)-1H-Indole-5-carbonitrile (CAS 143612-85-5)
- Methyl 2-Amino-4,6-difluorobenzoate (CAS 379228-57-6)
- 2-[(2,5-dioxoimidazolidin-1-yl)methyl]benzoic acid (CAS 923171-96-4)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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