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  • Chinese wholesale Boc-Amino Acid - L-Leucine Ethyl Ester HCL – Baishixing

    Chinese wholesale Boc-Amino Acid - L-Leucine Ethyl Ester HCL – Baishixing

    Specifications Color White Melting Point 136°C Formula Weight 195.69 Physical Form Crystal-Powder at 20°C Percent Purity ≥99.0% (T) Chemical Name or Material L-Leucine Ethyl Ester Hydrochloride Appearance: White powder Assay: 99% min Product Quality meets: Company standard Stock status: Usually keep100-200KGs in stock. Application: it is the intermediate of food additives, pharmaceutical intermediates. Package: 25kg / barrel Numbering system CAS No.: 2743-40-0 MDL No.: mfcd000...
  • China Supplier China Factory N-Acetyl-L-Tyrosine Cas No.: 537-55-3 Fast Delivery - DL-Pyroglutamic acid – Baishixing

    China Supplier China Factory N-Acetyl-L-Tyrosine Cas No.: 537-55-3 Fast Delivery - DL-Pyroglutamic acid – Baishixing

    Specifications Chemical Name or Material DL-Pyroglutamic Acid CAS 149-87-1 Synonym dl-pyroglutamic acid, 2-pyrrolidone-5-carboxylic acid, dl-proline, 5-oxo, 5-oxo-dl-proline, pyroglutamate, h-dl-pyr-oh, pyrrolidonecarboxylic acid, 5-oxoprolinate, d-+-pyroglutamic acid, dl-pidolic acid SMILES C1CC(=O)NC1C(=O)O Molecular Weight (g/mol) 129.115 ChEBI CHEBI:16010 Physical Form Solid Molecular Formula C5H7NO3 InChI Key ODHCTXKNWHHXJC-UHFFFAOYSA-N IUPAC Name 5-oxopyrrolidine-2-...
  • High Performance N-Acetyl-L-Tyrosin - D-Tryptophan – Baishixing

    High Performance N-Acetyl-L-Tyrosin - 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...
  • Good User Reputation for Intermediate - D-Tryptophan – Baishixing

    Good User Reputation for Intermediate - 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...
  • Factory Price Nutritional Supplements - DL-Arginine – Baishixing

    Factory Price Nutritional Supplements - DL-Arginine – Baishixing

    Specifications Chemical Name or Material DL-Arginine Molecular Formula C6H14N4O2 Beilstein 1725411 Solubility Information Insoluble in water. SMILES C(CC(C(=O)O)N)CN=C(N)N Molecular Weight (g/mol) 174.204 ChEBI CHEBI:29016 CAS 7200-25-1 MDL Number MFCD00063117 Synonym dl-arginine, arginin, h-dl-arg-oh, 2-amino-5-carbamimidamidopentanoic acid, 2-amino-5-guanidinopentanoic acid, unii-fl26ntk3ep, dl-arginine, free base, fl26ntk3ep, wln: muyzm3yzvq &gh, arginine, dl InC...
  • Chinese wholesale Boc-Amino Acid - N-Acetyl-DL-tryptophan – Baishixing

    Chinese wholesale Boc-Amino Acid - 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 & ...
  • Professional China Cas No. 56-86-0 - L-Cysteine S-Sulfate Na  – Baishixing

    Professional China Cas No. 56-86-0 - L-Cysteine S-Sulfate Na – Baishixing

    Properties storage conditions: Store at +15°C to +25°C. biological source: synthetic Form: powder or crystals Packaging: pkg of 1 kg pkg of 5 kg pkg of 10 kg Solubility: water: soluble (Up to 1.3M (room temp)) Suitability: suitable for manufacturing use (cell culture media) Storage temp.: room temp Description General description Modified amino acids are inhouse manufactured amino acid derivatives with specific properties enabling the intensification of cell culture processes. Together with...
  • Factory wholesale Cas. 56265-06-6 Hormones - L-Arginine – Baishixing

    Factory wholesale Cas. 56265-06-6 Hormones - L-Arginine – Baishixing

    Specifications Appearance White crystals powder Specific Rotation[α]20/D +26.3°~+27.7° Chloride(CL) ≤0.05% Sulphate(SO42-) ≤0.03% Iron(Fe) ≤30ppm Residue on ignition ≤0.30% Heavy metal(Pb) ≤15ppm Assay 98.5%~101.5% Loss on drying  ≤0.50% Conclusion The results conform with  USP35 standard. Appearance: White powder Product Quality meets: Ferment grade, quality meets AJI92, USP38. Package: 25kg / barrel Properties L-arginine is a chemical substance with the molecular...
  • Wholesale Price China Dl-Pyroglutamic Acid - Direct factory Delivery for China Pharmaceutical Grade Amino Acid CAS 87-32-1 98% 99% Powder Acetyltryptophan/N-Acetyl-Dl-Tryptophan with Best Price &#...

    Wholesale Price China Dl-Pyroglutamic Acid - Direct factory Delivery for China Pharmaceutical Grade Amino Acid CAS 87-32-1 98% 99% Powder Acetyltryptophan/N-Acetyl-Dl-Tryptophan with Best Price – Baishixing

    Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for Direct factory Delivery for China Pharmaceutical Grade Amino Acid CAS 87-32-1 98% 99% Powder Acetyltryptophan/N-Acetyl-Dl-Tryptophan with Best Price, We are generally looking ahead to forming effective business associations with new clientele around the world. Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces ...
  • 2021 New Style N-Glycyl-L-Tyrosine - DL-Pyroglutamic acid – Baishixing

    2021 New Style N-Glycyl-L-Tyrosine - DL-Pyroglutamic acid – Baishixing

    Specifications Chemical Name or Material DL-Pyroglutamic Acid CAS 149-87-1 Synonym dl-pyroglutamic acid, 2-pyrrolidone-5-carboxylic acid, dl-proline, 5-oxo, 5-oxo-dl-proline, pyroglutamate, h-dl-pyr-oh, pyrrolidonecarboxylic acid, 5-oxoprolinate, d-+-pyroglutamic acid, dl-pidolic acid SMILES C1CC(=O)NC1C(=O)O Molecular Weight (g/mol) 129.115 ChEBI CHEBI:16010 Physical Form Solid Molecular Formula C5H7NO3 InChI Key ODHCTXKNWHHXJC-UHFFFAOYSA-N IUPAC Name 5-oxopyrrolidine-2-...
  • Professional Design Research Chemical - N-Acetyl-L-tyrosine – Baishixing

    Professional Design Research Chemical - N-Acetyl-L-tyrosine – Baishixing

    Specifications Appearance white powder Specific Rotation[α]20/D +46.5° ~ +49.0° Transmittance ≥96.0% Chloride(CL) ≤0.02% Ammonium(NH4+) ≤0.02% Sulphate(SO42-) ≤0.02% Iron(Fe) ≤30ppm Residue on ignition ≤0.1% Heavy metal(Pb) ≤10ppm Arsenic ≤2ppm Assay 99.0%~101.0% Loss on drying ≤0.50% PH 2.0~3.0 Product Quality meets: Our company standards. Stock status: Usually keep 300-400KGs in stock. Application: N-acetyl-l-tyrosine and n-acetyl-l-tyrosine are importan...
  • 2021 wholesale price L-Alanyl-L-Tyrosine - N-Boc-trans-4-Hydroxy-L-proline methyl ester – Baishixing

    2021 wholesale price L-Alanyl-L-Tyrosine - N-Boc-trans-4-Hydroxy-L-proline methyl ester – Baishixing

    Specifications Appearance White or off-white  crystalline powder Specific Rotation[α]20/D -65.0°±3°(C=1 CHCl3) Melting point 92℃~96℃ Heavy metal(Pb) ≤20ppm Assay ≥98.0% Loss on drying  ≤1.0% 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: 25kg / barrel CAS: 53292-89-0 Synonym(s): RARECHEMARPA...