(S)-(−)-2,6-Diamino-4,5,6,7-tetrahydrobenzothiazole
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Certification of Analysis
Product Name
(S)-(−)-2,6-Diamino-4,5,6,7-tetrahydrobenzothiazole
CAS No
106092-09-5
Catalog No
SC-20089
Quantity
10kg
Batch No
20131001
Product Date
2013.10.01
Date of analysis
2013.10.01
Items of analysis
Specification
Results
Appearance
White or off-white powder
Off-white powder
Identification
Infrared Absorption
Conforms
Optical purity (Chiral HPLC)
≥99.0%
99.80%
Specific optical rotation
-96°～-102° (C=1.0,MeOH,20℃)
-100.4°
Loss on drying
≤1.0%
0.32%
Residue on ignition
≤0.5%
0.11%
Heavy metals
≤0.002%
<0.002%
Chemical purity (HPLC)
≥99.0%
99.89%
Remark
Declaration: For laboratory use by technically qualified individual only
Sealed,Cool,Dark and dry place
Conclusion
It accords with the Enterprise Standard
Analyst: Jack Fu Check: Anne Zhang Date: 2013-10-01
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