- Product Details
Keywords
- Erythrothioneine
- L-Erythrothioneine
- 497-30-3
Quick Details
- ProName: Cosmetic materials Erythrothioneine po...
- CasNo: 497-30-3
- Molecular Formula: C9H15N3O2S
- Appearance: White powder
- Application: Cosmetic use : Anti Aging Firming Lift...
- DeliveryTime: in 10 days after order
- PackAge: 1kg/foil bag; 25kg/drum
- Port: Beijing /Shanghai /Hangzhou / Xiamen
- ProductionCapacity: 500 Kilogram/Month
- Purity: 99% up by HPLC
- Storage: Cold Dry Place
- LimitNum: 1 Kilogram
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. |
|