HANGZHOU CLAKE BIOTECH CO.,LTD
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Supplier - 5th
years
Premium Supplier Enterprise Certification
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: 86-571-87750367
Mobile: 86-18268089214
Tel: 86-571-87750367
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RUIBO INTERNATIONAL ,HANGZHOU ,CHINA
MaxCard:
1. GMP AVALIABLE ;
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
|
ITEMS |
SPECIFICATION |
RESULTS |
Analytical method reference |
|
Appearance |
White or almost white crystalline powder |
White crystalline powder |
Visual |
|
Identification IR |
Confirms to the reference spectrum |
Complied |
USP<197k> |
|
Optical rotation |
-15.5° to -17.5° |
-16° |
USP<781s> |
|
Appearance of solution |
Clear and Colorless |
Clear and Colorless |
Visual |
|
Chlorides |
≤200ppm |
Complied |
USP<221> |
|
Sulfates |
≤300ppm |
Complied |
USP<221> |
|
Ammonium |
≤200ppm |
Complied |
Glutathione USP monograph |
|
Iron |
≤10ppm |
Complied |
USP<241> |
|
Arsenic |
≤1ppm |
Complied |
AFS |
|
Heavy Metals |
≤10ppm |
Complied |
USP<231> |
|
Cadmium(Cd) |
≤1ppm |
Complied |
AAS |
|
Plumbum(Pb) |
≤1ppm |
Complied |
AAS |
|
Mercury (Hg) |
≤1ppm |
Complied |
AFS |
|
Sulfated ash |
≤0.1% |
0.028% |
USP<281> |
|
Loss on drying |
≤0.5% |
0.366% |
USP<731> |
|
Bulk density |
≥0.2g/ml |
0.3116g/ml |
USP<616> |
|
Tapped density |
≥0.4g/ml |
0.4683g/ml |
USP<616> |
|
Total plate count |
≤1000cfu/g |
Complied |
USP<61> |
|
Yeast and mold count |
≤100cfu/g |
Complied |
USP<61> |
|
Salmonella |
Negative |
Complied |
USP<62> |
|
Related substances |
Total ≤2.0% |
0.98% |
Glutathione USP monograph |
|
GSSG ≤1.5% |
0.52% |
Glutathione USP monograph |
|
|
Assay |
98.0% ~ 101.0% |
98.67% |
Glutathione USP monograph |
|
Conclusion: The test results are conformed to the in-house specification |
|
||