7783-18-8 BKH1729645 Ammonium thiosulfate Ammonium thiosulphate Thiosulfuric acid, diammonium salt Thiosulfuric acid (H2S2O3), ammonium salt (1:2) Thiosulfuric acid (H2S2O3), diammonium salt Ammo hypo Ammonium hyposulfite Ammonium thiosulfate ((NH4)2S2O3) Caswell No. 048A Diammonium thiosulfate EINECS 231-982-0 EPA Pesticide Chemical Code 080103 HSDB 2688 Thio-Sul UNII-BKH1729645 EC 231-982-0 CAS 7783-18-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7783-18-8 |
| Molecular Formula | H2O3S2 2*H3N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7783-18-8 BKH1729645 Ammonium thiosulfate Ammonium thiosulphate Thiosulfuric acid, diammonium salt Thiosulfuric acid (H2S2O3), ammonium salt (1:2) Thiosulfuric acid (H2S2O3), diammonium salt Ammo hypo Ammonium hyposulfite Ammonium thiosulfate ((NH4)2S2O3) Caswell No. 048A Diammonium thiosulfate EINECS 231-982-0 EPA Pesticide Chemical Code 080103 HSDB 2688 Thio-Sul UNII-BKH1729645 EC 231-982-0 (CAS 7783-18-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: H2O3S2 2*H3N. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | H2O3S2 2*H3N |
| Molecular Weight | 131.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Recommended Standards
- 99A04ICQ3J 7783-85-9 Ferrous ammonium sulfate hexahydrate Ammonium iron(II) sulfate, hexahydrate (2:1:2:6) Sulfuric acid, ammonium iron(2+) salt (2:2:1), hexahydrate Ammonium ferrous sulfate hexahydrate Ferrous ammonium sulfate, hexahydrate Iron ammonium sulfate hydrate Sulfuric acid, ammonium iron(2+) salt, hexahydrate UNII-99A04ICQ3J (CAS 7783-85-9)
- 1-(4-Methoxy-2,5-dimethylphenyl)-N-methylmethanamine (CAS 1268139-97-4)
- 1-(4-Methyl-3-(trifluoromethyl)phenyl)piperazine (CAS 1211585-51-1)
- 4-(3-Bromopropyl)-1-isopropyl-1h-pyrazole (CAS 1340408-14-1)
- 5-(5-Methylthiophen-2-yl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 861443-59-6)
- 4-(Difluoromethyl)-6-hydroxypyridine-3-sulfonamide (CAS 1806059-18-6)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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