4-[(E)-(4-Chlorophenyl)diazenyl]benzene-1,3-diamine CAS 18371-09-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18371-09-0 |
| Molecular Formula | C12H11ClN4 |
| Molecular Weight | 246.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(E)-(4-Chlorophenyl)diazenyl]benzene-1,3-diamine (CAS 18371-09-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11ClN4. Molecular weight: 246.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11ClN4 |
| Molecular Weight | 246.70 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- (4-chlorophenyl)(2-methoxyphenyl)methanone (CAS 78589-10-3)
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- 4-Chloro-3-methoxybenzophenone (CAS 32363-45-4)
- 5-Bromo-1-(2-fluorobenzyl)pyrimidin-2(1h)-one (CAS 2090262-76-1)
- 7-Iodo-5-nitrobenzofuran (CAS 478617-58-2)
- (6-(Piperidin-1-yl)pyridin-2-yl)methanamine (CAS 868755-51-5)
- (R)-3-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-2-one (CAS 1260586-98-8)
- 3-Methoxybenzofuran-2-carboxylic acid (CAS 104315-56-2)
- Ethyl 1-benzyl-3-(chloromethyl)azetidine-3-carboxylate (CAS 137266-85-4)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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