Model NO.: Cas: 989-51-5 Customized: Customized State: Solid Specification: 99%, white solid powder HS Code: 0701900000 Powder: Yes Suitable for: Elderly, Adult Purity: >99% Origin: China Plant Extract/Food Addtitive (-) -Epigallocatechin Gallate 989-51-5
Basic Info Model NO.: 989-51-5 Assay: 99% Molecular Formula: C22h18o11 Melting Point: 257-258 ° C Storage Conditions: 2-8 ° C Delivery: Within 12hrs Origin: China Raw Material: Plants CAS No.: 989-51-5 Molecular Weight: 458.38 Shape: White Powder MOQ: 10g Arrive: 3-6 Days Specification: USP/EP/BP HS Code: 2903 Product Description
Name: (-)-Epigallocatechin gallate
English Name: TEA CATECHIN; (2R, 3R) -2 - (3, 4, 5-TRIHYDROXYPHENYL) -3, 4-DIHYDRO-1 (2H)-BENZOPYRAN-3, 5, 7-TRIOL 3 - (3, 4, 5-TRIHYDROXYBENZOATE); 3, 4-DIHYDRO-5, 7-DIHYDROXY-2R-(3, 4, 5-TRIHYDROXYPHENYL)-2H-1-BENZOPYRAN-3R-YL-3, 4, 5-TRIHYDROXY-BENZOATE; (-)-CIS-3, 3 ', 4', 5, 5 ', 7-HEXAHYDROXY-FLAVANE-3-GALLATE; (-)-CIS-2-(3, 4, 5-TRIHYDROXYPHENYL) -3, 4 -DIHYDRO-1 (2H)-BENZOPYRAN-3, 5, 7-TRIOL 3-GALLATE; (-)-CIS-3, 4-DIHYDRO-5, 7-DIHYDROXY-2-(3, 4, 5-TRIHYDROXYPHENYL) -1 (2H)-BENZOPYRAN-3-YL GALLATE HYDRATE; (-)-EPIGALLOCATECHIN GALLATE; EPIGALLOCATECHIN GALLATE
CAS NO.: 989-51-5
Molecular formula: C22H18O11
Molecular Weight: 458.38
Melting point: 257-258 ° C
Shape: White powder
Storage conditions 2-8 ° C
Test
| Standard
| Results
|
Description
| White Or Almost White Crystalline Powder
| White Crystalline Powder
|
Melting Point
| 65C~ 71C
| 66C~ 70C
|
Loss On Drying
| ≤0.50%
| 0.32%
|
Specific Rotation
| +38°~ +42°
| +40.1°
|
Assay
| 97~102%
| 99.1%
|
Conclusion
| The specification conform with Enterprise Standard.
|
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