16331-85-4 Arsenic acid (H3AsO4), monocesium salt (8CI,9CI) Caesium arsenate Arsenic acid cesium salt CDA CDA (frequency multiplier) Cesium arsenate Cesium dihydrogen arsenate CAS 16331-85-4
| CAS No. | 16331-85-4 |
| Molecular Formula | AsO4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 16331-85-4 Arsenic acid (H3AsO4), monocesium salt (8CI,9CI) Caesium arsenate Arsenic acid cesium salt CDA CDA (frequency multiplier) Cesium arsenate Cesium dihydrogen arsenate 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.
16331-85-4 Arsenic acid (H3AsO4), monocesium salt (8CI,9CI) Caesium arsenate Arsenic acid cesium salt CDA CDA (frequency multiplier) Cesium arsenate Cesium dihydrogen arsenate (CAS 16331-85-4) is a high-purity analytical reference standard with the molecular formula AsO4Cs and a molecular weight of 271.83 g/mol.
The molecular framework of 16331-85-4 Arsenic acid (H3AsO4), monocesium salt (8CI,9CI) Caesium arsenate Arsenic acid cesium salt CDA CDA (frequency multiplier) Cesium arsenate Cesium dihydrogen arsenate (AsO4Cs) is characterized by an inorganic composition. 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | AsO4 3*Cs |
| Molecular Weight | 271.83 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.) | 1961 |
Related Arsenic Standards
- Arsenic pentoxide hydrate (CAS 12044-50-7)
- Arsenic(III) telluride, 99% (CAS 12044-54-1)
- Arsenic(III) oxide-<SUP>18</SUP>O<SUB>3</SUB> (CAS 1257737-04-4)
- ARSENIC PENTOXIDE (CAS 1303-28-2)
- Arsenic disulfide (CAS 1303-32-8)
- Arsenic(III) sulfide (99.9%-As) (CAS 1303-33-9)
- Arsenic(V) sulfide (CAS 1303-34-0)
- Arsenic(III) selenide (CAS 1303-36-2)
Recommended Standards
- 2-Fluoro-6-isopropoxybenzoic acid (CAS 1369879-25-3)
- Glyceryl 2-Monoundecylenate (CAS 142564-41-8)
- 2,2-Dimethyl-1-(4-(methylamino)piperidin-1-yl)propan-1-one (CAS 1179212-79-3)
- 2-(2-Chloropyridin-4-yl)acetic acid (CAS 887580-55-4)
- Pcb No. 137 (CAS 35694-06-5)
- 2-(4-Chlorophenyl)-2-cyclopentylethan-1-amine (CAS 1011407-63-8)
- tert-Butyl 4-(1-aminoethyl)-1H-imidazole-1-carboxylate (CAS 317830-79-8)
- Ethyl 5-amino-4-iodo-1-methyl-1H-pyrazole-3-carboxylate (CAS 1379360-46-9)
- 1-(Azepan-1-ylmethyl)naphthalen-2-ol (CAS 303790-97-8)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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