Skip to content
Molekula

Molekula

L-Cysteine - reference standard

SKU 90034805 CAS 52-90-4 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

L-Cysteine is a sulfur-containing amino acid used primarily as a high-purity reference standard in analytical chemistry and pharmaceutical research. This product is identified by CAS number 52-90-4 and carries no signal word. Molekula supplies L-Cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

Contact sales
Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Overview

SKU
90034805
CAS Number
52-90-4

See all 2 other grades of CAS 52-90-4 →

Frequently asked questions

What is L-Cysteine (CAS 52-90-4) typically used for?

L-Cysteine is a semi-essential amino acid commonly used in biochemical research, cell culture media, and as a pharmaceutical intermediate.

What are the chemical formula and molecular weight of L-Cysteine?

The chemical formula for L-Cysteine is C3H7NO2S and it has a molecular weight of 121.16 g/mol.

How should L-Cysteine be stored?

It should be stored in a cool, dry place, typically at room temperature or as specified on the product label, ensuring the container is tightly sealed.

What grade of L-Cysteine is available?

This product is supplied as a reference standard, suitable for analytical and research applications.

Can Molekula supply L-Cysteine in bulk?

Yes, Molekula can provide L-Cysteine in various quantities, from small research amounts to bulk industrial volumes.

What documentation comes with the order?

Each order is supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS) to ensure full traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket