4-Nitrosobenzonitrile CAS 31125-07-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31125-07-2 |
| Molecular Formula | C7H4N2O |
| Molecular Weight | 132.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Nitrosobenzonitrile (CAS 31125-07-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4N2O. Molecular weight: 132.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O |
| Molecular Weight | 132.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4-Nitromorpholine (CAS 4164-32-3)
- 5-Formylnicotinonitrile (CAS 70416-53-4)
- 4-methyl-1,2,5-oxadiazole-3-carboxylic acid (CAS 58677-34-2)
- 4-Chlorobenzoic acid 2-[1-(4-aminophenyl)ethylidene]hydrazide (CAS 143137-71-7)
- N-(4-(4-Cyanophenyl)thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 681168-42-3)
- 2,3-Di-sec-butyl-1,1'-biphenyl (CAS 79725-05-6)
- Pomalidomide-C2-amine TFA (CAS 1957235-67-4)
- N-(5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 897734-98-4)
- 2-Chloro-7,8-dimethoxyquinoxaline (CAS 1236222-64-2)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
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