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L-Phenylalanine
ItemSpecificationM.F. C9H11O2Structural formula CAS #63-91-2Assay(%)98.5%-101.5%AppearanceWhite or white crystalline powderOptical rotation-33.2°-35.2°
Weightlessness for drying≤0.2%Heat residue≤0.1%PH5.4-6.0Heavy ...
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Melatonin
ItemSpecificationM.F.C13H16N2O2Structural formula CAS #608-07-1IdentificationRegular reactionAppearanceWhite crystal or white crystalline powderWeightlessness for drying0.5%MAXHeat residue≤0.5%MAXHeavy metal20PPM MAXLiquid chromatograph...
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Metronidazole
ItemSpecificationIdentification:positive reactionMelting point:159～163℃Loss on drying:0.5% MAXSulphated ash:0.1% MAXHeavy metal:20PPM MAXAppearance of solution:passRelated substances:passSpecific absorbance:365...
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Hubei Tianmeng Chemical Co.,LTD
Room 401 Dengyue Mansion, 314# Xinhua Road , Wuhan, China.
wuhan City
Hubei Province
China
Zip Code: 430022
Tel: 0086-027-85767163
Fax: 0086-027-51505022
Website:
http://hbtianmeng.en.supplierlist.com
http://www.tianmengchem.com
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