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  • Factory made hot-sale In Stock - N-Boc-trans-4-Hydroxy-L-proline methyl ester – Baishixing

    Factory made hot-sale In Stock - 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...
  • Best Price for Tyrosine - L-Alanyl-L-Cystine – Baishixing

    Best Price for Tyrosine - L-Alanyl-L-Cystine – Baishixing

    Specifications Appearance White or off-white crystalline Powder IR Spectrum Conforms to known standard Assay(Titration,dried basis) ≥95.0% Loss on drying ≤ 5.0% Endotoxin ≤ 0.01Eu/ug Bioburden ≤10CFU/g Appearance: White to off-white powder Purity: 97%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
  • 2021 China New Design Amino Acids and Derivatives - N-Acetyl-L-tryptophan – Baishixing

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

    Specifications Appearance White crystals or crystalline powder Specific Rotation[α]20/D +25.8°~ +27.0° Chloride(Cl) ≤0.05% Sulphate(SO42-) ≤0.03% Iron(Fe) ≤30ppm Residue on ignition ≤0.20% Heavy metal(Pb) ≤15ppm Assay 98.0%~102.0% Loss on drying ≤0.30% Appearance: White to off-white powder Product Quality meets: Our company standards. Stock status: Usually keep 300-400KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package:...
  • 2021 China New Design L-Pyroglutamic Acid - Orotic acid Anhydrous – Baishixing

    2021 China New Design L-Pyroglutamic Acid - Orotic acid Anhydrous – Baishixing

    Specifications Appearance white powder Assay ≥99.0% Residue on ignition ≤0.20% Heavy metal(Pb) ≤20ppm Loss on drying  ≤1.0% PH 2.2~3.0 Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 10,000-20,000KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate, buffer, cell culture fields. Package: 25kg / barrel Fuction Vitamin B13, also known as whey acid, is a kind of n...
  • Factory selling D-Alanine Raw Materials - Orotic Acid Monohydrate – Baishixing

    Factory selling D-Alanine Raw Materials - Orotic Acid Monohydrate – Baishixing

    Specifications Appearance white  crystalline powder Purity (HPLC) ≥99.0% Single Impurity ≤0.5% Total Impurities ≤1.0% Heavy metal(Pb) ≤10ppm Assay ≥98.5% Loss on drying  ≤0.50% pH 2.0~3.0 Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 10,000-20,000KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate, buffer, cell culture fields. Package: 25kg / barrel ...
  • High Performance N-Acetyl-L-Tyrosin - Direct factory supply China N-Acetyl-4-Thiazolidinecarboxylic Acid, 5025-82-1 – Baishixing

    High Performance N-Acetyl-L-Tyrosin - 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...
  • Wholesale Price China Boc Amino Acids and Derivatives - L-Tyrosine – Baishixing

    Wholesale Price China Boc Amino Acids and Derivatives - L-Tyrosine – Baishixing

    Specifications Assay Percent Range 99% Solubility Information Soluble in hydrochloric acid. Slightly soluble in water. Formula Weight 181.19 Percent Purity 99% Melting Point >300°C Optical Rotation −11° (c=4 in 1N HCl) Chemical Name or Material L-Tyrosine Appearance:  White powder Product Quality meets: AJI97, EP8, USP38 standards. Stock status: Usually keep 4000-5000KGs in stock. Applications L-Tyrosine is used in pharmaceuticals, dietary supplements and food additives. ...
  • China wholesale L- Glutamic Acid - L-Thiazolidine-4-carboxylic acid – Baishixing

    China wholesale L- Glutamic Acid - L-Thiazolidine-4-carboxylic acid – Baishixing

    Specifications Specific Rotation -101 Melting Point 203°C Sulfated Ash 0.1% max. Color Pink to White Loss on Drying 0.5% max. Specific Rotation Condition −101° (20°C c=1,1N HCl) Assay Percent Range 98% Solubility Information Solubility in water: 28.5g/L (20°C). Other solubilities: soluble in 1n hcl,practically insoluble in alcohol Formula Weight 133.16 Physical Form Flakes Percent Purity 98% Chemical Name or Material L(-)-Thiazolidine-4-carboxylic acid, 98% Appeara...
  • Super Purchasing for L-Tyrosine Benzyl Ester - DL-Arginine – Baishixing

    Super Purchasing for L-Tyrosine Benzyl Ester - 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...
  • New Fashion Design for Cas 60-18-4 - BOC-ARG(NO2)-OH – Baishixing

    New Fashion Design for Cas 60-18-4 - BOC-ARG(NO2)-OH – Baishixing

    Specifications Appearance White powder,No mechanical impurities Purity(HPLC) ≥99.0%  Related substances(HPLC) Arga3 ≤1% Other largest single impurity ≤0.5% Total impurities ≤1.0% Isomer(HPLC) ≤0.1% 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 Synonym(s): N(alpha)-boc-N(omeg...
  • OEM/ODM Supplier Boc-L-Pyroglutamic Acid Methyl Ester - L-Cystine Dihydrochloride – Baishixing

    OEM/ODM Supplier Boc-L-Pyroglutamic Acid Methyl Ester - L-Cystine Dihydrochloride – Baishixing

    Specifications Appearance White crystal or crystalline powde Infrared Spectroscopy Conforms to known standard Specific Rotation[α]20/D -152°~ -167°(C=2,1NHCL) Transmit tance ≥98.0% Sulphate(SO42-) ≤0.02% Iron(Fe) ≤10ppm Residue on ignition ≤0.10% Heavy metal(Pb) ≤10ppm Assay 98.5%~101.0% Loss on drying  ≤1.0% Appearance: White to off-white powder Assay: 98.5%~101.0% Specific Orotation: -152°~ -167°(C=2,1NHCL) Product Quality meets: Company standard Stock status: ...
  • Super Lowest Price L/D/Dl-Pyroglutamic Acid - N-Acetyl-Thiazolidine-4-Carboxylic Acid, Folcisteine,   3-ACETYL-4-THIAZOLIDINECARBOXYLIC ACID, NATCA, AATC – Baishixing

    Super Lowest Price L/D/Dl-Pyroglutamic Acid - N-Acetyl-Thiazolidine-4-Carboxylic Acid, Folcisteine, 3-ACETYL-4-THIAZOLIDINECARBOXYLIC ACID, NATCA, AATC – Baishixing

    Specifications Appearance White or off-white powder Specific Rotation[α]20/D -131°±5°(C=2,H2O) Transmittance ≥99.0% Chloride(CL) ≤1.0% Iron(Fe) ≤10ppm Heavy metal(Pb) ≤10ppm Arsenic ≤1ppm Melting point 142℃~149℃ TLC Analysis ≥99.0% Assay ≥98.5% Loss on drying ≤0.5% Appearance: White to off-white powder Purity: 99% min Product Quality meets: Our company standards. Stock status: Usually keep 3000-4000KGs in stock. Application: it is widely used as industrial interme...