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L-Tryptophan
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Product Description
CAS No.¡º73-22-3
Molecule Formula¡ºC11H12N2O2
Molecule Weight¡º204.23
Description¡ºWhite or primrose yellow crystalline powder, slightly bitter taste. Very soluble in formic acid, slightly soluble in water; sparingly soluble in ethanol; practically insoluble in ether.
Manufacture Standards¡ºAJI92¡«USP26¡«EP4
Specification¡º
Specific rotation -30.5~-32.5ÿ?
Heavy metals ÿ?0ppm
Water content ÿ?.20%
Residue on ignition ÿ?.10%
Assay 99.0~100.5%
pH 5.4~6.4
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SUPPLIER PROFILE
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| Company: | NINGBO CREATE BIOLOGICAL PROJECT CO.,LTD | ||
| City/State | NINGBO, ZHEJIANG | Country: |
China 
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| Business Type: | Export - Manufacturer / Trading Company | Established: | 1999 |
| Member Since: | 2008 | Contact Person | Jason Guo |
SUPPLIER PROFILE
City/State/Country -
NINGBO, ZHEJIANG
China
Business Type -
Export - Manufacturer / Trading Company
Established -
1999
Member Since -
2008
Contact Person -
Jason Guo