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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]
Negotiable
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Boc-Alanine
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N-Acetyl-L-Methionine
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N-glycyl-L-leucine
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Vanillin cas 121-33-5
  • Vanillin cas 121-33-5
  • Test Items Test Standards Test Results Appearance White to light yellow crystalline powder or needle crystalline White to light yellow crystalline powder Odor: Similar to the taste of vanilla Similar to the taste of vanilla Solubility: 1g/2ml ...
  • Hangzhou Onicon Chemical Co., Ltd.  [Verified]
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Boc-Lysine
  • Boc-Lysine
  • Appearance White to off white powder conforms Specific Rotation [20/D] (C=1 in H2O) +4.5º ±1º +4.20º Melting Point (℃) 192℃ to 212℃ 200℃ Loss on Drying Not more than0.50% 0.20% Purity Not less than 98.0% 98.8% ...
  • Sichuan Tongsheng Biotechnology Co., Ltd  [Verified]
Negotiable
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Glycine.ethyl ester.HCl
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N-Acetyl-DL-Methionine
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DL-Cysteine
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N-Acetyl-L- Cysteine
 Negotiable
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menatetrenone-9
  • menatetrenone-9
  •  Menaquinone-9 is a form of vitamin k2 which acts as a prothrombogenic agent. Studies suggest that menaquinones are susceptible to rapid photo oxidation at the isoprene unit closest to the quinone ring in the presence of oxygen and light. In...
  • Guangdong Goodscend Pharm. Sci.&Tech. Co., Ltd  [Verified]
Negotiable
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