1-(Methylsulfonyl)-2-phenyldiazene CAS 23265-32-9
| CAS No. | 23265-32-9 |
| Molecular Formula | C7H8N2O2S |
| Molecular Weight | 184.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8N2O2S, 1-(Methylsulfonyl)-2-phenyldiazene contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-(Methylsulfonyl)-2-phenyldiazene (CAS 23265-32-9) is a high-purity analytical reference standard with the molecular formula C7H8N2O2S and a molecular weight of 184.22 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O2S |
| Molecular Weight | 184.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 2-(Methylsulfonyl)benzaldehyde (CAS 5395-89-1)
- 3-((Methylsulfonyl)thio)propanoic acid (CAS 92953-12-3)
- 3-(Methylsulfonyl)benzaldehyde (CAS 43114-43-8)
- 4-(Methylsulfonyl)benzaldehyde (CAS 5398-77-6)
- (2-(Methylsulfonyl)ethyl)benzene (CAS 6079-56-7)
- 1-Ethyl-4-(methylsulfonyl)benzene (CAS 31218-79-8)
- 1-Methyl-2-((methylsulfonyl)methyl)benzene (CAS 261924-13-4)
- 1-Methyl-3-((methylsulfonyl)methyl)benzene (CAS 261924-10-1)
Recommended Standards
- (6-Methoxyimidazo[2,1-b]thiazol-5-yl)methanol (CAS 930395-91-8)
- 1-Acetyl-6-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 947023-03-2)
- Methyl 4-cyclopropyl-1,2,3-thiadiazole-5-carboxylate (CAS 183303-75-5)
- 1H,4H,6H,7H-Thiopyrano[4,3-c]pyrazole-3-carboxylic acid (CAS 912635-70-2)
- 6-Bromo-N,N-dimethylbenzo[d]isoxazol-3-amine (CAS 2386775-62-6)
- 1-(3-Benzyl-1,2,4-oxadiazol-5-yl)-3-(methylthio)propan-1-amine oxalate (CAS 1820703-53-4)
- Orange G (CAS 1936-15-8)
- 4-((4-(Tert-butyl)benzyl)thio)-N-ethyl-6-(trifluoromethyl)pyrimidin-2-amine (CAS 339011-22-2)
- Bisoxatina (CAS 17692-24-9)
- 4-tert-butylpyridine-3-carboxylic acid hydrochloride (CAS 1909315-98-5)
- N,N-Diethyl-3-(pent-1-en-3-yl)hex-4-enamide (CAS 89374-97-0)
- 1-(3-Chloro-4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082437-04-4)
- 4-[(5-Bromo-2-ethoxy-4-formylphenoxy)methyl]benzoic acid (CAS 443289-92-7)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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