-
OEM/ODM Supplier Boc-L-Pyroglutamic Acid Methyl Ester - 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... -
Lowest Price for China Manufacturer Sell N-Acetyl-L-Tyrosine Cas 537-55-3 - Boc-L-Hydroxyproline – Baishixing
Specifications Appearance White or off-white powder Specific Rotation[α]20/D -52.0°～-55.0° (C=1 DMF) Melting point 123℃～127℃ 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 Physical parameters Melting point: 123-127 & ordm; C Specific rotat... -
Factory directly 537-55-3 - 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 & ... -
Manufacturer for N-Boc-L-Pyroglutamic Acid Ethyl 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... -
Wholesale Price Dl-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: ... -
Super Purchasing for L-Tyrosine Benzyl Ester - BOC-L-LYSINE(BOC) – Baishixing
Specifications Solubility Information Soluble in chloroform,ether,ethyl acetate and methanol Formula Weight 346.42 Physical Form oily matter Percent Purity 98% Color White Chemical Name or Material Nalpha,Nepsilon-Di-Boc-L-lysine Appearance: oily matter Purity: 98%min Product Quality meets: Our company standards. Stock status: No stock. Manufacturing process needs 10days. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel -
Professional China L-Tyrosine Disodium Salt - Fmoc-l-aspartic Acid-alpha-t-butyl Ester – Baishixing
Specifications Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 10-20KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel CAS No.：129460-09-9 Molecular Formula：C23H25NO6 Molecular Weight：411.45 Synonym(s): L-Fmoc-Aspartic acid alpha-tert-butyl ester Fmoc-Asp-OtBu N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartic acid 1-(1,1-dimethylethyl ester 1-tert-But... -
Factory Cheap Hot D Threonine 98.5% Feed Grade - 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 & ... -
factory Outlets for D-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... -
China New Product 3- (4-Hydroxyphenyl) -Dl-Alanine - Boc-D-Serine – Baishixing
Specifications Color White-Yellow Melting Point 95°C Formula Weight 205.21 Physical Form Crystal-Powder at 20°C Percent Purity ≥98.0% (HPLC,T) Chemical Name or Material N-(tert-Butoxycarbonyl)-D-serine 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 Pro... -
Discount wholesale N-Acetyl L-Tyrosine Whole Sale - 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:... -
OEM Manufacturer Pharmaceutical Chemical - 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...
