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Introduced |
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Description |
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Product Name: FOLIC ACID
Packing: 25kgCardboard box
Quality Standard BP2002/USP25
1. Characteristics Yellow or orange, orystalline powder, odourless or almost odourless. Insoluble in water and in most organic solvents, dissolves in dilute acids and in alkaline solutions
2. Identification
A: Specific rotation
B: Ultraviolet absorption
C: Thin-layer chromatography
Specific optical rotation is about +20. It exhibits three maxima at 256, 283 and 363 nm The A at 256nm is about 590, at 283nm is about is about 575, at 365nm is about 206.
A256/A365=2. 80-3. 0
The principal spot in the chromatogram. Obtained with solution sample is similar. In position, fluore scence and size to that in the chromatogram obtain with solution Folic Acid R S
3. Chromatographic purity The sum of the area of all peaks is not greater 0. 5%
4. Free amines A2: A1=0. 05
5. Sulphated ash 0. 07%
6. Loss on drying 7. 1%
7. Organic volatile impurities Complies
8. Assay 98. 0-102%(Calculated with reference to the dried substance) 99. 3%
Remarks: The product with this batch number meets all requirements of the following valid compendia when tested accordingly USP25+BP2002 |
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Contact Us |
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Company Name: |
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Anhui Wanhe Pharmaceutical Co., Ltd. |
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Company Address: |
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Room 1602, Harbor Ring Plaza, No. 18, Xizang Rd., Shanghai, China |
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Telephone: |
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86-21-53852329 |
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Full Name (Department): |
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Mrs. Tracy Sha () |
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