(2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid) hydrochloride 34760-60-6 L-Cystine hydrochloride CAS 34760-60-6
| CAS No. | 34760-60-6 |
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid) hydrochloride 34760-60-6 L-Cystine hydrochloride (CAS 34760-60-6), a certified reference material (molecular formula C6H12N2O4S2HCl, MW 276.75 g/mol) for analytical method development and quality control.
Structurally, (2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid) hydrochloride 34760-60-6 L-Cystine hydrochloride (C6H12N2O4S2HCl) contains 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 276.75 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.
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), (2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid) hydrochloride 34760-60-6 L-Cystine hydrochloride 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 | C6H12N2O4S2 HCl |
| Molecular Weight | 276.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Recommended Standards
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- (3-Fluoro-5-(1H-pyrrol-1-yl)phenyl)boronic acid (CAS 2225169-48-0)
- 5-Ethynylthiazole (CAS 872122-41-3)
- Methyl 2-amino-2-(3-bromophenyl)hexanoate (CAS 1131594-77-8)
- tert-Butyl (S)-(1-(4-bromophenyl)-1-oxopropan-2-yl)carbamate (CAS 339185-56-7)
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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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