GPA80950AB 35112-53-9 Barium thiosulfate Barium thiosulphate Thiosulfuric acid (H2S2O3), barium salt (1:1) EINECS 252-375-7 UNII-GPA80950AB CAS 35112-53-9
| CAS No. | 35112-53-9 |
| Molecular Formula | Ba |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
GPA80950AB 35112-53-9 Barium thiosulfate Barium thiosulphate Thiosulfuric acid (H2S2O3), barium salt (1:1) EINECS 252-375-7 UNII-GPA80950AB (CAS 35112-53-9) is a high-purity analytical reference standard with the molecular formula BaO3S2 and a molecular weight of 249.45 g/mol.
The molecular framework of GPA80950AB 35112-53-9 Barium thiosulfate Barium thiosulphate Thiosulfuric acid (H2S2O3), barium salt (1:1) EINECS 252-375-7 UNII-GPA80950AB (BaO3S2) is characterized by a sulfone group. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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.
CATO manufactures GPA80950AB 35112-53-9 Barium thiosulfate Barium thiosulphate Thiosulfuric acid (H2S2O3), barium salt (1:1) EINECS 252-375-7 UNII-GPA80950AB under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | Ba O3S2 |
| Molecular Weight | 249.45 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1967 |
| Sulfur Atoms | 2 |
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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 18665070610 / Nicole.chen@cato-chem.com