CasNo.497-30-3,Cosmetic materials Erythrothioneine powder ,CAS:497-30-3,(497-30-3) Suppliers

1 Kilogram	Negotiable

Min.Order :1 Kilogram
Purity: 99% up by HPLC
Payment Terms : L/C,D/A,D/P,T/T

Keywords

Erythrothioneine L-Erythrothioneine 497-30-3

Quick Details

Appearance:White powder
Application:Cosmetic use : Anti Aging Firming Lifting Rejuvenating Skin Care
PackAge:1kg/foil bag; 25kg/drum
ProductionCapacity:500|Kilogram|Month
Storage:Cold Dry Place
Transportation:

Superiority:

About Sinoway

1) Specialized in pharmaceutical raw materials (API & Intermediates) over 37 years since 1987.

2) ISO 9001:2015 & SGS audited supplier .

3) Accept various payment terms : T.T 30-60 days and L/C at sight.

4) We can do different terms of FOB ,CIF/CIP ,DDU, DDP ..

5) We have professional R&D team, technical team and logistic team.

Details:

Ergothioneine (thioneine, ergothioneine, EGT) is a compound discovered in 1909, originally found in a fungus Claviceps purpurea, pure product is white crystal, water soluble, (soluble at room temperature 0.9mol/L), It does not oxidize itself at physiological pH and in strong alkali solutions.

Certificate of Analysis

*Name*		*Structure*
L-Ergothioneine
*CAS* *No.*	497-30-3	*Specification*	N/A
*Quantity*	3.3kg	*Test* *Method*	N/A
*Batch* No.	HP2206002	*Production* *Date*	2022.06.14
*Report* *Date*	2022.06.15	*Expiry* *Date*	2023.06.013

*Items*	*Specifications*	*Results*
Appearance	White to off white powder	Pass
Identification	The retention time of main peak should match with the reference substance in the best assay.	Pass
Optical rotation	[α]D ≥+122 。）（c=1,H2O）	+125.2。
Loss on drying	≤ 0.5%	0.09%
Residual solvents	Ethanol ≤ 1000ppm	3.47ppm
Lead	≤0.5ppm	Pass
Cadmium	≤0.5ppm	Pass
Mercury	≤0.1ppm	Pass
Arsenic	≤1.0ppm	Pass
Total viable aerobic count	≤ 500CFU/g	Pass
Total yeast and mould count	≤ 100CFU/g	Pass
Escherichia coli	Absent in 1g	Pass
Sammonella	Absent in 1g	Pass
Staphylococcus aureus	Absent in 1g	Pass
Bacterial Endotoxins	≤ 5EU/g	Pass
Related substance	Single impurity≤ 0.5%	0.02%
	Total impurity≤1.0%	0.02%
Purity	≥99.0%	99.98%
Assay	98.0%-102.0%	99.9%
Conclusion	All result meet the In-House standard.
Storage condition	Store in cool and dry condition, aviod direct sunray.