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  • China wholesale Dl-Alanine Price - Glycyl-L-glutamine monohydrate – Baishixing

    China wholesale Dl-Alanine Price - Glycyl-L-glutamine monohydrate – Baishixing

    Specifications Appearance White powder or off-white powder Specific rotation -0.8°~ -2.8° Assay ≥98.5% Chloride ≤0.05% PH 4.5~6.5 Iron (Fe) ≤30ppm Sulfate (SO4) 0.03% Heavy metals: ≤15ppm Loss on drying ≤1.0% Residue on Ignition ≤0.3% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25k...
  • Wholesale Price Special Amino Acids - BOC-O-METHYL-D-SERINE – Baishixing

    Wholesale Price Special Amino Acids - BOC-O-METHYL-D-SERINE – Baishixing

    Specifications Appearance White to off-white powder Specific Rotation[α]20/D  -10.0º ~ -16.0º (C=1  in DMF) Melting point 70℃~80℃ Purity ≥98.0% Assay 98.0%~102% Water(KF) ≤0.5% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: no stock. The manufacturing process takes 20days. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel
  • China Factory for 4-Hydroxyphenylalanine - D-Tryptophan – Baishixing

    China Factory for 4-Hydroxyphenylalanine - D-Tryptophan – Baishixing

    Specifications Appearance of Solution (1% aq. soln.) Clear colorless to light yellow Assay Percent Range 99% Infrared Spectrum Authentic Loss on Drying 0.5% max. Formula Weight 204.23 Specific Rotation + 31.50 Physical Form Powder Solubility Solubility in water: 11g/L (20°C). Other solubilities: soluble in alkali hydroxides, soluble in hot alcohol, insoluble in chloroform Percent Purity 99% Specific Rotation Condition + 31.50 (24.00°C c=1,H2O) Color White to Yellow Me...
  • PriceList for D-Pyroglutamic Acid - H-VAL-NH2·HCL – Baishixing

    PriceList for D-Pyroglutamic Acid - H-VAL-NH2·HCL – Baishixing

    Specifications Solubility Information Soluble in methanol (50mg/ ml-clear,colorless solution). Formula Weight 152.62 Physical Form Solid Percent Purity 95% Melting Point 266°C to 270°C Chemical Name or Material L-Valinamide hydrochloride Appearance:  White powder Product Quality meets: Company standards. Stock status: Usually keep100-200KGs in stock. Physicochemical properties Melting point: 266-270 ℃ Boiling point: 273.6 ° C at 760 mmHg Flash point: 119.3 ° C Vapor pressure: ...
  • Excellent quality Serine - BOC-L-Pyr.Oet – Baishixing

    Excellent quality Serine - BOC-L-Pyr.Oet – Baishixing

    Specifications Appearance White or off-white powder Specific Rotation[α]20/D ﹣41±2°(C=2,ethanol) Water Content(KF) ≤0.5% Assay(HPLC) ≥98.0% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 1000-2000KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel
  • 2021 China New Design Amino Acids and Derivatives - N-Acetyl-DL-tryptophan – Baishixing

    2021 China New Design Amino Acids and Derivatives - N-Acetyl-DL-tryptophan – Baishixing

    Specifications Test Item Specification Appearance White to off-white Powder Identification by IR  Conforms To Reference Assay 99.0% – 101.0% Solubility (1% in 4% NaOH) Clear,Colorless to Slightly Yellow Solution Ammonium (NH4) ≤200 ppm Sulfated ash ≤0.1% Heavy metal(Pb) ≤10ppm Loss on drying ≤0.5% Iron(Fe) ≤10ppm Non-Animal origin To Pass Conclusion The results conform with EP8.0 standard. Appearance: White to off-white powder, Melting point: 204-206 & ...
  • PriceList for D-Pyroglutamic Acid - H-Hyp-OMe·HCl – Baishixing

    PriceList for D-Pyroglutamic Acid - H-Hyp-OMe·HCl – Baishixing

    Specifications Formula Weight 181.62 Percent Purity 98% Chemical Name or Material trans-4-Hydroxy-L-proline methyl ester hydrochloride Appearance:  White powder Product Quality meets: Company standards. Stock status: Usually keep100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate, and cell culture field. Package: 25kg / barrel/ Bag Other Name: trans-4-Hydroxy-L-proline methyl ester; 4-HYDROXY-L-PROLINE METHYL ESTER HCl; H-HYP-OME HCL; H...
  • Cheap price Boc-Pyr-Oet Supplier - Direct factory supply China N-Acetyl-4-Thiazolidinecarboxylic Acid, 5025-82-1 – Baishixing

    Cheap price Boc-Pyr-Oet Supplier - Direct factory supply China N-Acetyl-4-Thiazolidinecarboxylic Acid, 5025-82-1 – Baishixing

    We believe that long expression partnership is actually a result of top quality, worth added services, prosperous experience and personal contact for Direct factory supply China N-Acetyl-4-Thiazolidinecarboxylic Acid, 5025-82-1, Seeing believes! We sincerely welcome the new clients abroad to put in place company interactions and also count on to consolidate the associations together with the long-established clients. We believe that long expression partnership is actually a result of top qual...
  • Super Purchasing for L-Tyrosine Benzyl Ester - Ne-Boc-L-lysine – Baishixing

    Super Purchasing for L-Tyrosine Benzyl Ester - Ne-Boc-L-lysine – Baishixing

    Specifications Synonym(s): Ne-Boc-L-lysine H-Lys(Boc)-OH N-epsilon-tert-Butoxycarbonyl-L-lysine Nepsilon-(tert-Butoxycarbonyl)-L-lysine N(epsilon)-Boc-L-lysine Lys(Boc) N~6~-(tert-butoxycarbonyl)-L-lysine N6-(tert-Butoxycarbonyl)-L-lysine (S)-2-Amino-6-((tert-butoxycarbonyl)amino)hexanoic acid e-BOC-L-lysine. Fmoc-Lys(Boc)-OH H-L-LYS(BOC)-OH L-LYS(BOC) L-LYSINE(BOC) LYSINE(BOC)-OH N6-Boc-L-lysine NEPSILON-BOC-L-LYSINE Nε-(tert-Butoxycarbonyl)-L-lysine Nε-Boc-L-lysine General Information: Pur...
  • Good User Reputation for Intermediate - H-MET-GLY-OH – Baishixing

    Good User Reputation for Intermediate - H-MET-GLY-OH – Baishixing

    Specifications Appearance White powder or off-white powder Specific rotation -0.8°~ -2.8° Assay ≥98.5% Chloride ≤0.05% PH 4.5~6.5 Iron (Fe) ≤30ppm Sulfate (SO4) 0.03% Heavy metals: ≤15ppm Loss on drying ≤1.0% Residue on Ignition ≤0.3% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25k...
  • High definition Cas. 144978-35-8 - L-pyroglutamic acid – Baishixing

    High definition Cas. 144978-35-8 - L-pyroglutamic acid – Baishixing

    Specifications Specific Rotation Condition − 27.50 (20.00°C c=10,1 N NaOH) Specific Rotation − 27.50 Water 0.5% Max. (K.F.) Color White Melting Point 152.0°C to 162.0°C Assay Percent Range 98% Beilstein 22,284 Solubility Information Solubility in water: 100-150g/l (20°). Other solubilities: soluble in alcohol and acetone Formula Weight 129.12 Physical Form Crystalline Powder Percent Purity 98% Chemical Name or Material L-pyroglutamic acid Appearance: white powder U...
  • Special Price for Tyrosine Ingredients - DL-Threonine – Baishixing

    Special Price for Tyrosine Ingredients - DL-Threonine – Baishixing

    Specifications Chemical Name or Material DL-Threonine Molecular Formula C4H9NO3 InChI Key AYFVYJQAPQTCCC-UHFFFAOYSA-N IUPAC Name 2-amino-3-hydroxybutanoic acid PubChem CID 205 Formula Weight 119.1 Percent Purity >99% CAS 80-68-2 Synonym dl-threonine, allo-dl-threonine, threonine, dl, dl-allothreonine, dl-2-amino-3-hydroxybutanoic acid, threonine l, h-dl-thr-oh, dl-allo-threonine, allothreonine, d, wln: qy1&yzvq-l SMILES CC(C(C(=O)O)N)O Molecular Weight (g/mol) 11...