YISHENGMAOLIANBotanical ingredients · B2B sourcing
Ingredients / Nutritional Supplements / L-Cysteine
L-Cysteine — representative unbranded ingredient image

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Nutritional Supplements

L-Cysteine

L-Cysteine and L-Cystine are separately named catalogue materials. Match the exact compound and grade to your requirement before using the listed purity to compare quotations.

Source-listed formPowder
Source-listed MOQ1 kilograms
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Listed product attributes

Source listing values are shown for material selection. They are not a batch certificate or a regulatory approval.

TypeAmino acid
Shelf-Life24months
Dosage FormPowder
Main IngredientL-Cysteine
Place of OriginShaanxi, China
Product Specification99%
Storage MethodCool & dry place.
Specification99% purity
AppearanceWhite crystalline powder
CAS No52-90-4
Molecular formulaC3H7NO2S
EINECS200-158-2
Sample10-20g — source listing only; availability, quantity, cost and delivery require confirmation.
Shelf life2 Years

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Supplier-detail table · checked 2026-10-25

Compare these detail-table entries with the main attributes above. Include any difference in your grade-clarification request.

CAS No.52-90-4
AppearanceWhite crystalline powder
Specification99% purity
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L-Cysteine · selection context

Compound and grade selection

Identity reference
52-90-4
Specification statement
99% purity
Material appearance
White crystalline powder

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  • Confirm commercial terms for the selected grade; catalogue values do not establish a new offer.