Cobalt (II) ammonium sulfate hexahydrate CAS 13586-38-4
| CAS No. | 13586-38-4 |
| Molecular Formula | H2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 288.11 g/mol gives Cobalt (II) ammonium sulfate hexahydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Cobalt (II) ammonium sulfate hexahydrate (CAS 13586-38-4), a certified reference material (molecular formula H2O4SO4SCoH2OH3N, MW 288.11 g/mol) for analytical method development and quality control.
Owing to a sulfone group, Cobalt (II) ammonium sulfate hexahydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 288.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Cobalt (II) ammonium sulfate hexahydrate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | H2O4S O4S Co 6*H2O 2*H3N |
| Molecular Weight | 288.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Cobalt Standards
- Cobalt(II) Fluoride (CAS 10026-17-2)
- Cobalt(III) fluoride (CAS 10026-18-3)
- Cobalt(II) nitrate hexahydrate (CAS 10026-22-9)
- Cobalt sulfate heptahydrate (CAS 10026-24-1)
- Cobalt(II)tungstate (CAS 10101-58-3)
- Cobalt(II) Sulphate (CAS 10124-43-3)
- Cobalt(II) Dinitrate (CAS 10141-05-6)
- Cobalt, hexacarbonylbis(triphenylphosphine)di-, (Co-Co) (CAS 10170-27-1)
Recommended Standards
- {3-methylbicyclo[3.1.0]hexan-3-yl}methanol (CAS 1502312-69-7)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((4-(2-isopropylphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 784188-33-6)
- 4-Chloro-N'-(1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carbonyl)benzenesulfonohydrazide (CAS 477709-82-3)
- tert-Butyl (R)-2-(4-(trifluoromethoxy)benzyl)piperazine-1-carboxylate (CAS 1260588-46-2)
- N-(3-acetamidophenyl)pivalamide (CAS 521300-04-9)
- 4-[4-(trifluoromethyl)-1h-imidazol-2-yl]piperidine (CAS 1057682-62-8)
- 4,6-Dioxo-3-phenyl-6,6a-dihydro-3aH-pyrrolo[3,4-d]isoxazol-5(4H)-yl benzenesulfonate (CAS 35053-67-9)
- 4-(4-Chlorophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 1087605-48-8)
- 3-Methyl-1-(3-pyrrolidinyl)piperidinedihydrochloride (CAS 1219957-56-8)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com