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L-(+)-Ergothioneine

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CAS No 497-30-3

L-(+)-Ergothioneine

Basic Information

ItemInformation
Product NameL-(+)-Ergothioneine
SynonymsErgothioneine; EGT
CAS No.497-30-3
Molecular Formula C₉H₁₅N₃O₂S
Molecular Weight229.30
AppearanceWhite to off-white crystalline powder
Purity≥ 98%
SolubilitySoluble in water

Product Description

L-(+)-Ergothioneine is a naturally occurring sulfur-containing amino acid derivative with strong antioxidant properties. It is widely used in cosmetics, nutraceuticals, and pharmaceutical research.

Due to its excellent ability to neutralize free radicals and protect cells from oxidative stress, ergothioneine is commonly used in anti-aging skincare formulations and antioxidant supplements.


Applications

Typical applications include:

  • Anti-aging skincare products

  • Antioxidant formulations

  • Skin protection products

  • Nutraceutical supplements

  • Cosmetic research and development


Specification (Typical)



PROPERTIES

LIMITS

RESULTS

APPEARANCE

WHITE TO OFF-WHITE POEDER

CONFORMS

LOSS ON DRYING

≤1.0%

0.2%

PURITY (BY HPLC)

≥98.0%

99.1%

MERCURY

≤1MG/KG

<1MG/KG

LEAD

≤10MG/KG

<10MG/KG

ARSENIC

≤2MG/KG

<2MG/KG

CADMIUM

≤5MG/KG

<5MG/KG

TOTAL PLATE COUNT

≤1000CFU/G

CONFORMS

MOLD & YEAST

≤100CFU/G

CONFORMS

(Actual specifications depend on batch COA.)


Packaging

Standard packaging options:

  • 1 kg / aluminum foil bag

  • 25 kg / fiber drum


Storage

Store in a cool, dry, and well-ventilated place, protected from moisture and light.

Shelf life: 2 years under recommended storage conditions


Supply Information

  • MOQ: 1 kg

  • Origin: China

  • Lead Time: 7–10 days

  • Shipping: Air / Sea / Courier (DHL / FedEx)


Documents Available

  • COA (Certificate of Analysis)

  • MSDS (Material Safety Data Sheet)

  • Technical Data Sheet


Contact

For quotation, technical support, or documentation, please contact:

Ronas Chemicals Co., Ltd.

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