549521-94-0 Zinc Cysteinate Hydrochloride [L-Cysteinato(2-)-|EO,|ES]zinc Hydrochloride CAS 549521-94-0
| CAS No. | 549521-94-0 |
| Molecular Formula | C3H5NO2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
549521-94-0 Zinc Cysteinate Hydrochloride [L-Cysteinato(2-)-|EO,|ES]zinc Hydrochloride (CAS 549521-94-0) is a high-purity analytical reference standard with the molecular formula C3H5NO2SZnHCl and a molecular weight of 220.98 g/mol.
Structurally, 549521-94-0 Zinc Cysteinate Hydrochloride [L-Cysteinato(2-)-|EO,|ES]zinc Hydrochloride (C3H5NO2SZnHCl) contains a salt form, an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 220.98 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 549521-94-0 Zinc Cysteinate Hydrochloride [L-Cysteinato(2-)-|EO,|ES]zinc Hydrochloride 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 | C3H5NO2S Zn HCl |
| Molecular Weight | 220.98 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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