Boc-Cys(SO3H)-OH . disodium salt (A-3625.0001) CAS 163558-29-0
| CAS No. | 163558-29-0 |
| Molecular Formula | C8H13NO7S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carbohydrate-derived structure, an amide group, a sulfone group, Boc-Cys(SO3H)-OH . disodium salt (A-3625.0001) is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 290.24 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.
CATO supplies Boc-Cys(SO3H)-OH . disodium salt (A-3625.0001) (CAS 163558-29-0), a certified reference material (molecular formula C8H13NO7SNa, MW 290.24 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), Boc-Cys(SO3H)-OH . disodium salt (A-3625.0001) 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 | C8H13NO7S 2*Na |
| Molecular Weight | 290.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 2,2-Difluoro-3-hydroxyhexanoic acid (CAS 1248415-95-3)
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