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2021 High quality Cas 537-55-3 - L-Tyrosine disodium salt – Baishixing
Specifications Appearance Yellowish or off-white crystalline powder Infrared Conform with standard map Specific Rotation[α]20/D -12.6°～-14.4°(C=4，H2O) Moisture 12.0～16.0% Purity ≥98.0% pH 10.5 ～ 11.8 Solubility in Water(10%) Clear, Yellow, Complete Endotoxin ≤ 20EU/g Bioburden ≤50CFU/g CAS No：122666-87-9 Appearance: White to off-white powder PH: 110.5 ～ 11.8 Specific Orotation: -12.6°～-14.4°(C=4，H2O) Purity: ≥99.0% Product Quality meets: Company standard Stock ... -
China New Product 3- (4-Hydroxyphenyl) -Dl-Alanine - DL-Tryptophan – Baishixing
Specifications Chemical Name or Material DL-Tryptophan CAS 54-12-6 Assay Percent Range 98% Infrared Spectrum Authentic Beilstein 22, 550 Other Amino Acids (TLC) Not detected Packaging 25kg/barrel SMILES C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N Molecular Weight (g/mol) 204.229 ChEBI CHEBI:27897 Physical Form Crystalline Powder Color Beige to White or Yellow Name Note 99% Appearance of Solution (1% in 1M HCl) clear to slightly hazy, colorless to yellow solution Molecular ... -
China Factory for 4-Hydroxyphenylalanine - 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... -
Super Lowest Price L/D/Dl-Pyroglutamic Acid - Fmoc-His(Boc)-OH – Baishixing
Specifications Appearance White to off-white powder Purity(HPLC) ≥97% Specific Rotation[α]]20/D -7°±2.5°（C=1 in DMF） Optical Purity ≦0.5% D-enantiomer Clarity of solution 0.3 gram in 2ml DMF clear solution Water Content (K.F) ≦3.0% Loss on drying ≦3.0% (60℃，2h) Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 10KGs in stock. Application: it is widely used in food additives, pharmaceutical interme... -
Professional Design Research Chemical - 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. ... -
Factory wholesale Amino Acids Glu - Direct factory Delivery for China Pharmaceutical Grade CAS 87-32-1 99% Powder N-Acetyl-Dl-Tryptophan with Best Price – Baishixing
All we do is always involved with our tenet ” Consumer initial, Trust first, devoting within the food stuff packaging and environmental defense for Direct factory Delivery for China Pharmaceutical Grade CAS 87-32-1 99% Powder N-Acetyl-Dl-Tryptophan with Best Price, For more information, please contact us as soon as possible! All we do is always involved with our tenet ” Consumer initial, Trust first, devoting within the food stuff packaging and environmental defense for China N-Ac... -
OEM/ODM Factory 108963-96-8 - 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... -
New Fashion Design for Cas 60-18-4 - D-Lysine HCl – Baishixing
Specifications Arsenic (As) 1ppm max. Appearance of Solution (10% aq. soln.) clear, colorless Assay Percent Range 99+% Heavy Metals (as Pb) 10ppm max. Linear Formula H2N(CH2)4CH(NH2)COOH·HCl Infrared Spectrum Authentic Iron (Fe) 30ppm max. Loss on Drying 0.3% max. (105°C, 3 hrs) Formula Weight 182.65 Specific Rotation -20.5° to -21.5° (20°C, 589nm) (c=8, 6N HCl) Physical Form Crystalline Powder Percent Purity 99.0 to 101.0% Sulfated Ash 0.1% max. Specific Rotation... -
OEM Factory for 1-Boc-L-Pyroglutamic Acid Benzyl Ester - 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 wholesale Amino 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... -
Manufacturer for China Bulk Manufacture L-Alanyl-L-Tyrosine - 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 -
Popular Design for N-Acetyl-L-Tyrosine Price - 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...
