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1H-Thieno[3,4-d]imidazole-4-pentanoicacid, hexahydro-2-oxo-, (3aS,4S,6aR)- D-Biotin CAS:58-85-5
Name: 1H-Thieno[3,4-d]imidazole-4-pentanoicacid, hexahydro-2-oxo-, (3aS,4S,6aR)-
CAS:58-85-5
MF: C10H16N2O3S
Item |
Specification |
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Characters |
A white or almost, crystalline powder or colorless crystals |
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Identification |
A: IR spectrophotometry |
To match with the reference IR spectrum |
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B: Examine the chromatograms obtained in the test for related substances |
The principle spot in the chromatogram obtained with test solution is similar in position and size to the principal spot in the chromatogram obtained with reference solution |
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C: Color reaction |
The bromine water is decolorised |
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Appearance of solution |
Clear and colourless |
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Specific optical rotation |
+89°-+93° |
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Related substances |
Meets EP requirement |
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Heavy metals |
≤10ppm |
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Loss on drying |
≤1.0% |
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Sulphated ash |
≤0.1% |
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Assay |
98%-102.0% |
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