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| ADD： |
Rm.1106, No.1 Zhongyuan Building, Lane 60 Zhongyuan Road |
| POST： |
200438 |
| TEL： |
8621-65566949 |
| FAX： |
8621-65569401 |
| NAME： |
Mr. Xuemin Guo |
| E_MAIL： |
market@medpep.com |
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Product Name: Eszopiclone
Category: Pharmaceutical Raw Materials
CAT:50113 |
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Product Data Sheet
Product Name |
Eszopiclone |
CAS No |
138729-47-2 |
Molecular Formula |
C17H17ClN6O3 |
Molecular Weight |
388.81 |
Appearance |
White or off-white crystal powder |
UV Identification |
- Maximum absorption at 305nm
- Minimum absorption at 245nm
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IR Identification |
Identifying with the CRS |
Optical rotation |
+ 131 ~ +141 |
Chiral Impurity |
No more than 0.5% |
Related substances |
No more than 0.5% |
Loss on Drying |
No more than 0.5% |
Ignition residue |
No more than 0.1% |
Heavy Metals |
No more than 20 ppm |
Methanol |
No more than 0.3% |
Acetone |
No more than 0.5% |
Ethyl Acetate |
No more than 0.5% |
Purity |
99% min. |
Packing |
100gram/bottle; 20kg/drum. |
Storage |
Close tightly, store in cool, dry place |
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