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Manufacturing Companies for Pharmaceutical Intermediatesl-Tyrosine - 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:... -
Quality Inspection for Nutrition Supplements - D- Glutamine – Baishixing
Specifications Formula Weight 146.14 Physical Form Powder Percent Purity ≥99% Color White Chemical Name or Material D-Glutamine 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 Physicochemical properties White acicular crystal. Melting point 184-185 ℃ (decomposition). Soluble in met... -
Low MOQ for L Tyrosine - 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... -
Manufacturer for L Threonine - 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... -
OEM Factory for 1-Boc-L-Pyroglutamic Acid Benzyl Ester - 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... -
Factory Cheap N-Methyl-L-Alanine - Boc-l-alanine-oh – Baishixing
Specifications Assay Percent Range 99+% Linear Formula (CH3)3COC(O)NHC(CH3)COOH Formula Weight 189.21 Specific Rotation − 26.00 Physical Form Granular Powder Percent Purity ≥99% Specific Rotation Condition −26.00 (20.00°C c=2,CH3COOH) Color White Melting Point 81.0°C to 84.0°C Chemical Name or Material BOC-L-Alanine Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 400-500KGs in stock. Applicat... -
New Delivery for Cas No. 556-03-6 - D-Leucine – Baishixing
Specifications Additional Information L-enantiomer: < 0.5% Arsenic (As) 2ppm max. Appearance of Solution (5% soln. in 3N HCl) clear, colorless Heavy Metals (as Pb) 10ppm max. Assay Percent Range 99% Linear Formula (CH3)2CHCH2CH(NH2)CO2H Infrared Spectrum Authentic Iron (Fe) 10ppm max. Loss on Drying 0.2% max. Residue after Ignition 0.1% max. Formula Weight 131.17 Specific Rotation -14.9° to -16° (20°C, 589nm) (c=4, 6N HCl) Physical Form Crystalline Powder, Crysta... -
2021 wholesale price Nutritional Supplement - 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... -
Best quality Pyroglutamic Acid - Ethyl 2,4-dihydroxy-6-methyl-3-pyridinecarboxylate – Baishixing
Specifications Appearance white to off-white powder Purity(HPLC) ≥98.5% Water Content(K.F) ≤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, buffer, cell culture fields. Package: 25kg / barrel CAS No.：70254-52-3 Molecular Formula：C9H11NO4 Molecular Weight：197.1879 Synonym(s): Ethyl 2,4-dihydroxy-6-me... -
Factory made hot-sale In Stock - L-Glutamic Acid – Baishixing
Specifications Appearance White to off-white powder Specific Rotation[α]20/D +31.5°~ +32.5° Chloride(CL) ≤0.02% Sulpbate（SO42-） ≤0.02% Iron (Fe) ≤10ppm Residue on ignition ≤0.1% Heavy metal (Pb) ≤10ppm Assay 98.5%~101.5% Loss on drying ≤0.1% individual impurity ≤0.5% total impurity ≤2.0% Appearance: White to off-white powder Product Quality meets: AJI92, EP8, USP38 standards. Stock status: Usually keep 10,000KGs in stock. Application: it is widely used in food addi... -
High reputation Cas 144978-12-1 - BOC-D-PYR-OH – Baishixing
Specifications Solubility Information Slightly soluble in water. Formula Weight 229.23 Percent Purity 97% Melting Point 111°C to 116°C Optical Rotation +35° (c=1 in Chloroform) Sensitivity Moisture sensitive 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 -
China OEM 149-87-1 - L-Glutamic Acid – Baishixing
Specifications Appearance White to off-white powder Specific Rotation[α]20/D +31.5°~ +32.5° Chloride(CL) ≤0.02% Sulpbate（SO42-） ≤0.02% Iron (Fe) ≤10ppm Residue on ignition ≤0.1% Heavy metal (Pb) ≤10ppm Assay 98.5%~101.5% Loss on drying ≤0.1% individual impurity ≤0.5% total impurity ≤2.0% Appearance: White to off-white powder Product Quality meets: AJI92, EP8, USP38 standards. Stock status: Usually keep 10,000KGs in stock. Application: it is widely used in food addi...
