8-Hydroxy-2-((2-(quinolin-8-yl)hydrazono)methyl)quinoline-5-sulfonic acid CAS 350691-55-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 350691-55-3 |
| Molecular Formula | C19H14N4O4S |
| Molecular Weight | 394.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
8-Hydroxy-2-((2-(quinolin-8-yl)hydrazono)methyl)quinoline-5-sulfonic acid (CAS 350691-55-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H14N4O4S. Molecular weight: 394.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H14N4O4S |
| Molecular Weight | 394.40 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy Methyl Ambrisentan (CAS 1106685-66-8)
- 3-Hydroxy Dexamethasone (Alpha/Beta-Mixture) (CAS 922713-68-6)
- 3α-Hydroxy Tibolone 17-O-Sulfate (CAS 144466-05-7)
- 2303-01-7
3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
3-cresolpurple
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide
cresol purple
cresolpurple(non-specificname)
m-cresolsulfonphthalein
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide
pourpredem-cresol (CAS 2303-01-7)
- 7a-Hydroxy-3-oxocholan-24-oic-2,2,4,4-D4 Acid (CAS 99102-72-4)
- 4-Hydroxy-3-(4-iodophenyl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844500-33-0)
- 1-Hydroxy-2-(2-iodoethoxy)anthracene-9,10-dione (CAS 61556-35-2)
- 4-Hydroxy Ospemifene M2( Mixture of isomers) (CAS 341525-22-2)
Recommended Standards
- 6-(4-Nitrobenzoyl)-5,6-dihydro-4H-benzo[b]thieno[2,3-d]azepine-2-carboxylic acid (CAS 200122-35-6)
- n-(1,3-Dioxaindan-5-yl)-2-{[5-(1h-indol-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide (CAS 380451-75-2)
- 4-Bromo-N-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]benzenesulfonamide (CAS 850429-52-6)
- (R)-4-Nitrophenyl 3-(benzylthio)-2-((tert-butoxycarbonyl)amino)propanoate (CAS 3560-17-6)
- (3s,4s,4ar,5r,9br,10s)-4-(3,5-dihydroxyphenyl)-3,5,10-tris(4-hydr Oxyphenyl)-3,4,4a,5,9b,10-hexahydro-11-oxabenzo[5,6]cyclohepta[1, 2,3,4-jkl]-as-indacene-2,6,8-triol
625096-18-6 (CAS 625096-18-6)
- 6-(difluoromethyl)pyridazin-3-amine (CAS 1706450-11-4)
- Potassium (4-ethoxyphenyl)trifluoroborate (CAS 850623-60-8)
- 2-(3-Fluoro-5-(trifluoromethyl)phenyl)acetaldehyde (CAS 955038-21-8)
- 1-Bromo-5,7-dihydrofuro[3,4-d]pyridazine (CAS 1648749-92-1)
- Hexapeptide-9 (CAS 1228371-11-6)
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