| CAS No. | 7440-57-5 |
| Molecular Formula | Au |
| Molecular Weight | 196.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies Au Standard Solution (CAS 7440-57-5), a certified reference material (molecular formula Au, MW 196.97 g/mol) for analytical method development and quality control.
Structurally, Au Standard Solution (Au) 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 196.97 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 Au Standard Solution 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.
| Molecular Formula | Au |
| Molecular Weight | 196.97 g/mol |
| Purity | 1000μg/mL in 10%HCl |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |