(-)-Cystine is a chemical product listing on XCHEMI (https://www.xchemi.com), offered by TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD for international B2B procurement. The CAS Registry Number shown on this listing is 56-89-3. Specifications on this page are provided by the supplier; confirm critical attributes before purchase.

What is the CAS number for this listing?

This XCHEMI product page lists CAS 56-89-3 for (-)-Cystine. CAS numbers help align chemical identity across suppliers and regions. Always verify identity, grade, and impurity profile with supplier documentation (e.g., COA) before use in regulated processes.

How can I request a quotation or buy (-)-Cystine?

Use the XCHEMI marketplace actions on this listing (https://www.xchemi.com/product/719361772762010579.html) to contact TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD and request a quotation (RFQ). Offer price and currency—when shown—come from the supplier listing and may vary by quantity and shipping terms.

What purity, grade, and packaging are listed?

Purity: 98.5%. Grade: Pharmacy Grade. Appearance: White L-CYSTINE.

How should chemicals be stored and handled?

Follow supplier SDS / label instructions, local regulations, and your site safety program. XCHEMI is a B2B marketplace; obtain current SDS and handling guidance from TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD before receipt, storage, or use.

What are typical applications for (-)-Cystine?

Applications depend on industry segment and process requirements. Use this listing as a sourcing lead and validate fitness-for-purpose with TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD for your intended use (e.g., synthesis, formulation, manufacturing).

Is a safety data sheet (SDS / MSDS) available?

Request SDS/MSDS and regulatory documents from TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD through XCHEMI quotation or supplier contact. Marketplace summaries do not replace official safety documentation.

Who is the seller for this product on XCHEMI?

TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD is identified as the seller on this listing. You can open the supplier storefront from this page when available to review company profile and other listed chemicals.