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Proline
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L-Pyroglutamic acid tert-butyl ester
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Flip Top Cap Bottles Round Shape End Caps YD-404
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N-Acetyl-L-Glutamine
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Menaquinone-4
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beta arbutin CAS:497-76-7
  • beta arbutin CAS:497-76-7
  • Appearance White needle crystal or powder White powder Melting Point 199-201 199.5-201.5 Clarity of water solution Transparency colorless, none suspended matters Complies PH Value of 1% Aqueous Solution 5.0-7.0 6.30 Specific Optical Rotation...
  • Hangzhou Onicon Chemical Co., Ltd.  [Verified]
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Oridonin cas 28957-04-2
  • Oridonin cas 28957-04-2
  • Plant Origin: Rabdosia rube scens(Hamst.)C.Y. wuet.Hsuan Molecular Formula: C20H28O6 CAS No: 28957-04-2 Package: 1kg or 1G Specification: Oridonin assay: 50%, 99%(HPLC) Function: highly inhibiting effect on various cancer cell, mainly used...
  • Hangzhou Onicon Chemical Co., Ltd.  [Verified]
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DL-methionine
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L-Tyrosine
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Melatonin cas 73-31-4
  • Melatonin cas 73-31-4
  • Test Items Specification Results Appearance White or pale-white crystalline powder White crystalline powder Clarity and degree of opalescence of liquids 1%ethanol and chloroform Solution Conforms Particle size 100-120mesh 200mesh Identif...
  • Hangzhou Onicon Chemical Co., Ltd.  [Verified]
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DL-Cysteine
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Bottle End Caps YD-604-2
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L-Tyrosine
  • L-Tyrosine
  • Appearance White crystals or crystalline powder Specific rotation[α]20/D (C=5,1mol/L HCL) -11.3 to -12.1° State of solution (Transmittance) Clear and colorless Not less than 95.0% Chloride (Cl) Not more than 0.020% Am...
  • Sichuan Tongsheng Biotechnology Co., Ltd  [Verified]
Negotiable
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