Chromium arsenide (99%-Cr) CAS 12254-85-2
| CAS No. | 12254-85-2 |
| Molecular Formula | As |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Chromium arsenide (99%-Cr) (CAS 12254-85-2), a certified reference material (molecular formula AsCr, MW 126.92 g/mol) for analytical method development and quality control.
Chromium arsenide (99%-Cr) (AsCr) contains an inorganic composition. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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.
Physical & Chemical Properties
| Molecular Formula | As Cr |
| Molecular Weight | 126.92 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1960 |
Related Chromium Standards
- Chromium(III) chloride (CAS 10025-73-7)
- Chromium sulfate (CAS 10031-37-5)
- Chromium(II) fluoride (CAS 10049-10-2)
- Chromium(III) trichloride hexahydrate hexahydrate (CAS 10060-12-5)
- Chromium chloride tetrahydrofuran complex (1:3) (CAS 10170-68-0)
- Chromium(III) acetate (CAS 1066-30-4)
- Chromium carbide (CAS 12012-35-0)
- Chromium dioxide,99.90% (CAS 12018-01-8)
Recommended Standards
- (S)-1-Methylpyrrolidine-2-carbonyl chloride (CAS 911281-86-2)
- 4-(Aminomethyl)-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-sulfonamide (CAS 1361815-45-3)
- 4-Nitrophenyl 4-guanidinobenzoate hydrochloride (CAS 19135-17-2)
- Phenyl vinyl sulfide-2-<SUP>13</SUP>C (CAS 1202865-48-2)
- Picosulfate Impurity 8 (CAS 2379878-05-2)
- (E)-3-(3-(4-cyclohexylphenyl)-1-phenyl-1H-pyrazol-4-yl)acrylic acid (CAS 956206-88-5)
- 1-(6-Fluoropyridin-3-yl)cyclopropane-1-carboxylic acid (CAS 1427010-46-5)
- Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, copper complex (CAS 64092-19-9)
- ARQ 092 Free Base (CAS 1313881-70-7)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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