FAQ: D-Tryptophan

Question 1

What is D-Tryptophan?

Accepted Answer

D-Tryptophan is a chemical product listing on XCHEMI (https://www.xchemi.com), offered by Zhejiang Medicines & Health Products I/E Co., Ltd. for international B2B procurement. The CAS Registry Number shown on this listing is 153-94-6. Specifications on this page are provided by the supplier; confirm critical attributes before purchase.

Question 2

What is the CAS number for this listing?

Accepted Answer

This XCHEMI product page lists CAS 153-94-6 for D-Tryptophan. 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.

Question 3

How can I request a quotation or buy D-Tryptophan?

Accepted Answer

Use the XCHEMI marketplace actions on this listing (https://www.xchemi.com/product/725523900366419058.html) to contact Zhejiang Medicines & Health Products I/E 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.

Question 4

What purity, grade, and packaging are listed?

Accepted Answer

Appearance: White to slightly yellow Powder.

Question 5

How should chemicals be stored and handled?

Accepted Answer

Follow supplier SDS / label instructions, local regulations, and your site safety program. XCHEMI is a B2B marketplace; obtain current SDS and handling guidance from Zhejiang Medicines & Health Products I/E Co., Ltd. before receipt, storage, or use.

Question 6

What are typical applications for D-Tryptophan?

Accepted Answer

Applications depend on industry segment and process requirements. Use this listing as a sourcing lead and validate fitness-for-purpose with Zhejiang Medicines & Health Products I/E Co., Ltd. for your intended use (e.g., synthesis, formulation, manufacturing).

Question 7

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

Accepted Answer

Request SDS/MSDS and regulatory documents from Zhejiang Medicines & Health Products I/E Co., Ltd. through XCHEMI quotation or supplier contact. Marketplace summaries do not replace official safety documentation.

Question 8

Who is the seller for this product on XCHEMI?

Accepted Answer

Zhejiang Medicines & Health Products I/E 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.

D-Tryptophan

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