2,2'-Diselanediyldiacetic acid CAS 16066-50-5
| CAS No. | 16066-50-5 |
| Molecular Formula | C4H6O4Se2 |
| Molecular Weight | 276.01 g/mol |
| 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.
2,2'-Diselanediyldiacetic acid (CAS 16066-50-5), molecular formula C4H6O4Se2 and molecular weight 276.01 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, 2,2'-Diselanediyldiacetic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 276.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 | C4H6O4Se2 |
| Molecular Weight | 276.01 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
Recommended Standards
- 5-Iodo-1-methyl-4-(trifluoromethyl)-1H-pyrazole (CAS 2137730-49-3)
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- 5-Iodo-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 898288-96-5)
- 2-Morpholino-3-(trifluoromethyl)pyridine-5-boronic acid (CAS 2377606-45-4)
- 2-chloro-1-(3-methylpiperidin-1-yl)ethan-1-one (CAS 4593-19-5)
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- 3-Chloro-5-hydrazinylpyridine (CAS 1289121-90-9)
- Barium tetracyanoplatinate(II) tetrahydrate, 99% (CAS 13755-32-3)
- 2-[2-(2,6-Dioxo-1,2,3,6-tetrahydro-pyrimidin-4-yl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-67-2)
- 5-Amino-2-(diethylamino)benzoic acid (CAS 165662-26-0)
- Mupirocin Dimer 2 (CAS CATO-C4X-170627)
- tert-Butyl 4,4-difluoro-3-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 1334413-62-5)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
Why CATO?
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