(E)-N'-(2,4-dihydroxybenzylidene)-4-methylbenzenesulfonohydrazide CAS 281211-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 281211-72-1 |
| Molecular Formula | C14H14N2O4S |
| Molecular Weight | 306.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(E)-N'-(2,4-dihydroxybenzylidene)-4-methylbenzenesulfonohydrazide (CAS 281211-72-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H14N2O4S. Molecular weight: 306.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H14N2O4S |
| Molecular Weight | 306.34 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2E)-4,4-Dibromo-2-chloro-3-formyl-2-butenoic Acid (CAS 441304-67-2)
- (Methoxymethylene)triphenylphosphorane (CAS 20763-19-3)
- (R)-2-(1-(((Benzyloxy)carbonyl)amino)ethyl)thiazole-5-carboxylic acid (CAS 1956437-47-0)
- 578743-87-0
AS1021
Chloro[1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper(I)
Copper, [1,3-bis[2,6-bis(1-methylethyl)phenyl]-1,3-dihydro-2H-imidazol-2-ylidene]chloro-
Cu(IPr)Cl
[(iPr)CuCl]
[1,3-Bis(2,6-diisopropylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene](chloro)copper
[1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride
[1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper(I) chloride (CAS 578743-87-0)
- [2-(2-methylmorpholin-4-yl)pyridin-4-yl]methanamine (CAS 953901-77-4)
- (R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3,3-dimethylpyrrolidine-2-carboxylic acid (CAS 2381009-82-9)
- 6-(4-Cyclopropyl-4H-1,2,4-triazol-3-yl)pyridin-2-amine (CAS 1262043-91-3)
- 2,6-Diazaspiro[3.3]heptane dihydrochloride dihydrate (CAS 1087740-50-8)
- 2-Methoxy-1H-pyrrole (CAS 71580-13-7)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com