gold hydroxide CAS 1303-52-2
| CAS No. | 1303-52-2 |
| Molecular Formula | H3AuO3 |
| Molecular Weight | 247.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
gold hydroxide (CAS 1303-52-2), molecular formula H3AuO3 and molecular weight 247.99 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, gold hydroxide (H3AuO3) contains an inorganic composition. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 247.99 g/mol, it falls into the medium-molecular-weight range.
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 gold hydroxide 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 | H3AuO3 |
| Molecular Weight | 247.99 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.) | 1957 |
Related gold Standards
- Gold(I) sodium cyanide (CAS 15280-09-8)
- Gold(III) chloride (CAS 13453-07-1)
- Gold iodide (CAS 10294-31-2)
- gold trichloride solution (CAS 16903-35-8)
- Gold, chloro[(dimethylamino)phenylmethylene]- (CAS 78240-55-8)
- Gold(III) acetate (CAS 15804-32-7)
- Gold(I) sulfide (CAS 1303-60-2)
- Gold, chloro(phenyldipropylphosphine)- (CAS 90479-62-2)
Recommended Standards
- (6-Acetamido-4-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1370351-47-5)
- 2,4-dichloro-6-(2,2,2-trifluoroethoxy)-1,3,5-triazine (CAS 185677-00-3)
- Tungsten(IV) Sulfide (CAS 12138-09-9)
- (3-(Methoxycarbonyl)-4-oxo-4H-chromen-6-yl)boronic acid (CAS 1220419-11-3)
- Methanetricarboxylic acid (CAS 101687-15-4)
- 1-(4-Isopropylphenyl)butan-1-one (CAS 78575-06-1)
- 4-(4-Methoxyphenyl)-5-(piperidin-1-ylmethyl)-1,3-thiazol-2-amine (CAS 1023816-78-5)
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4-methylquinolin-2-yl)thio)acetamide (CAS 671198-81-5)
- (S)-(9H-Fluoren-9-yl)methyl 4-(4-((tert-butoxycarbonyl)amino)butyl)-2,5-dioxooxazolidine-3-carboxylate (CAS 125814-22-4)
- 4-(Bromomethyl)-3-(difluoromethyl)-6-iodopyridin-2-amine (CAS 1804512-00-2)
- 1-Isobutylthiourea (CAS 1516-33-2)
- 3-(((2-Methylbutyl)amino)methyl)benzonitrile (CAS 1182964-53-9)
- Methyl 2-(4-(chloromethyl)phenyl)acetate (CAS 72770-09-3)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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