2-Naphthalenesulfonic acid CAS 120-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 120-18-3 |
| Molecular Formula | C10H18O3S |
| Molecular Weight | 218.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Naphthalenesulfonic acid (CAS 120-18-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H18O3S. Molecular weight: 218.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H18O3S |
| Molecular Weight | 218.31 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Naphthalenesulfonic Standards
- 1-Naphthalenesulfonic Acid (CAS 85-47-2)
- 1-Naphthalenesulfonic acid, ethyl ester (CAS 67199-40-0)
- 1-Naphthalenesulfonic acid, 3,4-dihydro-3,4-dioxo- (CAS 2066-93-5)
- Naphthalenesulfonic acid, sodium salt (CAS 1321-69-3)
- 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (CAS 20262-58-2)
- 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt (CAS 6245-60-9)
- 2-Naphthalenesulfonic acid, polymer with formaldehyde, ammonium sodium salt (CAS 67786-30-5)
- 2-Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (CAS 36290-04-7)
Recommended Standards
- 5,5-Dimethyl-2-(phenylthio)cyclopent-2-enone (CAS 118467-11-1)
- (3,4-Dimethylphenyl)(thiophen-2-yl)methanol (CAS 1248793-29-4)
- (3,5-Dimethylphenyl)(thiophen-3-yl)methanol (CAS 1178659-57-8)
- Azidoethyl-SS-ethylamine (CAS 1807512-40-8)
- Ethyl 2-(bis(2-isopropylphenoxy)phosphoryl)acetate (CAS 188945-44-0)
- 4-((6-Hydrazono-3-phenyl-1,6-dihydropyridazin-4-yl)methyl)morpholine (CAS 99877-37-9)
- cis-2,6-dimethylpiperidin-4-one;hydrochloride (CAS 879007-42-8)
- 35252-98-3 6-(chloromethyl)-2-phenylpyrimidin-4-ol 6-Chloromethyl-2-phenyl-pyrimidin-4-ol A6189 (CAS 35252-98-3)
- [1,1'-Bi(cyclopentan)]-3-one (CAS 27610-86-2)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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