L-Cystine 56-89-3 high purity
ISO COA 4 Inquiries
56-89-3
Pharmaceutical Grade
99%
Shanghai
Zentrachem
25kgs in drum
2025-10-30
pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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Product Name:
(-)-Cystine
Other Name:L-Cystine;Cystine,L-;Bis(β-amino-β-carboxyethyl) disulfide;Cystine acid;β,β′-Diamino-β,β′-dicarboxydiethyl disulfide;Dicysteine;3,3′-Dithiobis(2-aminopropanoic acid);β,β′-Dithiodialanine;Cystine;L-Cysteine disulfide;Propanoic acid,3,3′-dithiobis[2-amino-,[R-(R*,R*)]-;(-)-Cystine;L-Cystin;L-(-)-Cystine;Oxidized L-cysteine;[R-(R*,R*)]-3,3′-Dithiobis[2-aminopropanoic acid];l-Cystine;L-Alanine,3,3′-dithiobis-;NSC 13203;24645-67-8;154605-69-3
CAS No.:56-89-3
Molecular Formula:C6H12N2O4S2
InChIKeys:InChIKey=LEVWYRKDKASIDU-IMJSIDKUSA-N
Molecular Weight:240.30000
Exact Mass:240.30
EC Number:206-486-2
UNII:48TCX9A1VT
DSSTox ID:DTXSID2046418
NCI Thesaurus Code:C29610
HScode:2930901000
Categories:
Characteristics-
PSA:
177.24000
XLogP3:-6.3
Appearance:DryPowder
Density:1.677 g/cm3
Melting Point:260.5 °C (decomp)
Boiling Point:468.2ºC at 760 mmHg
Flash Point:237ºC
Refractive Index:1.653
Water Solubility:H2O: 0.112 g/L (25 ºC);1 M HCl: 100 mg/mL
Storage Conditions:Store at RT.
PKA:1None
Dissociation Constants:1
Collision Cross Section:149.4 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|145 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|149.4 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|151.2 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|143 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|147.3 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|148.1 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|144.39 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|150.08 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|151.81 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|147.3 Ų [M-2H+Na]-
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals
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Location:
Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,100% TT in advance
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Average lead Time:
14
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Total Employees:
5-10
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Year of Establishment:
2025
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
India
L-CYSTINE
1.00 KG Mar 31, 2026
India
L-CYSTINE
1.00 KG Aug 7, 2025 
Australia
L-Cystine
100.00 KG Jun 1, 2025
India
L-CYSTEINE
50.00 KG Mar 25, 2025 Post an enquiry for this product
