L-Cysteine hydrochloride anhydrous
9 Inquiries
52-89-1
99%
Bottle,barrel,cargo,container,etc.
2026-08-10
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Product Description
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Seller Information
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Inquiry History
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DescriptionKeywords
52-89-1
L-Cysteine hydrochloride anhydrous
C3H7NO2S.HCl
Quick DetailsProName:L-Cysteine hydrochloride anhydrous
CasNo:52-89-1
Molecular Formula:C3H7NO2S.HCl
Appearance:powder, or liquid
Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
DeliveryTime:5-7 Days
PackAge:Bottle, barrel, cargo, container, etc.
Port:Shanghai
Purity:99
Storage:Stored in room temperature, ventilated place
Transportation:By air, ship, express, etc.
LimitNum:0
Grade:Industrial Grade
SuperiorityBest Seller, High Quality, Competitive Price, Fast Delivery, Quick Response
DetailsLEAPChem supplies high quality Pharmaceuticals, intermediates, APIs, custom synthesis, fine chemicals and other industrial chemicalsBasic Info-
Product Name:
L-(+)-Cysteine hydrochloride
Other Name:L-Cysteine,hydrochloride (1:1);Cysteine,hydrochloride,L-;L-Cysteine,hydrochloride;Cysteine chlorohydrate;Cysteine hydrochloride;Cystein chloride;L-(+)-Cysteine hydrochloride;(R)-Cysteine hydrochloride;WR 348;(R)-1-Carboxy-2-mercaptoethanaminium chloride;CSKE 200;(2R)-2-Amino-3-sulfanylpropanoic acid hydrochloride;122641-75-2;122882-13-7;124558-06-1;29844-56-2
CAS No.:52-89-1
Molecular Formula:C3H7NO2S.ClH
InChIKeys:InChIKey=IFQSXNOEEPCSLW-DKWTVANSSA-N
Molecular Weight:157.61900
Exact Mass:156.99600
EC Number:200-157-7
UNII:A9U1687S1S
DSSTox ID:DTXSID0020367
Color/Form:Colorless crystals|White crystals
HScode:2930909090
Categories:
Characteristics-
PSA:
102.12000
XLogP3:0.83040
Appearance:DryPowder
Melting Point:170-178 °C (decomp)
Boiling Point:293.9ºC at 760 mmHg
Flash Point:131.5ºC
Water Solubility:SOLUBLE
Storage Conditions:Store at RT.
Vapor Pressure:6.73X10-7 mm Hg at 25 °C (est)
Toxicity:LD50 intraperitoneal in mouse: 1250mg/kg
Henrys Law Constant:Henry's Law constant = 5.30X10-11 atm-cu m/mol at 25 °C (est)
Dissociation Constants:pK1 1.71 /carboxylic/; pK2 8.33 /amine/; pK3 10.78 /sulfide/
Experimental Properties:Readily oxidizes to form a dimeric amino acid, cystine, in which the two cysteines are linked via a disulfide bridge, a common structural feature in proteins. Amino Acids and Proteins, D.M. Greenberg, Ed. (Charles C. Thomas, Springfield, IL, 1951) 950 pp.|In neutral or slightly alkaline aqueous solution it is oxidized to cystine by air. More stable in acidic solutions.|MP (anhydrous): 178 °C (decomposes). Specific optical rotation: +6.53 deg at 25 °C/D (calculated as cysteine) (c = 2 in 5M HCl); solubility >100 (20 °C) g/100 g H2O /L-Cysteine hydrochloride monohydrate/|Hydroxyl radical reaction rate constant = 7.96X10-11cu cm/molecule-sec at 25 °C (est)
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:
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Location:
Room A, 23rd Floor, No. 609 Yan'an Road, Gongshu District, Hangzhou, Zhejiang
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
5
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Total Annual Revenue:
Above $100 million
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Year of Establishment:
2020
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Certifications:
ISO
">Company ProfileLEAPChem is a specialized fine chemical supplier for research, development and production.
LEAPChem provides nearly 200,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities.
As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner.
Our client list includes many major pharmaceutical and science companies, universities, research institutions and chemical catalogue companies.
Methodology: Sound & Stable; Active & Innovative.
Attitude: Conscientious; Ingenious.
Goals: Customer's Satisfaction
We regard client's success as our success.
At LEAPChem, we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research & Production.
To achieve this strategic vision, we always push ourselves to exceed our customer's requirement. By focusing on the aim of 'Beyond Your Expectation', we continually expand our product lines, and enhance our systematic management and human resources.
Welcome to contact us and we look forward to becoming your reliable and preferred partner.
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Inquiry History9 Inquiries
Country Product Purchase Quantity Date Posted 
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Jan 17, 2024
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Dec 18, 2023
India
L-Cysteine hydrochloride
1000 KG Jan 14, 2026 
Bangladesh
L-Cysteine HCl
185 KG Oct 30, 2023
India
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