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factory Outlets for D-Tyrosine - 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... -
OEM Factory for 1-Boc-L-Pyroglutamic Acid Benzyl Ester - 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... -
Professional China Essential Amino Acid - 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... -
Factory directly 537-55-3 - 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... -
OEM Manufacturer Pharmaceutical Chemical - H-LYS(CBZ)-OBZL·HCL – Baishixing
Specifications Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 400-500KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel -
OEM/ODM Supplier Boc-L-Pyroglutamic Acid Methyl Ester - 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... -
OEM/ODM China 113400-36-5 - 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-... -
Discount wholesale N-Acetyl L-Tyrosine Whole Sale - H-D-Val-OMe·HCl – Baishixing
Specifications Assay Percent Range 99% Linear Formula (CH3)2CHCH(NH2)COOCH3·HCl Infrared Spectrum Authentic Formula Weight 167.63 Specific Rotation -13.5° to -17.5° (20°C, 589nm) (c=2, H2O) Physical Form Powder Percent Purity ≥98.5% Color White Chemical Name or Material D-Valine methyleester hydrochloride Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 300-400KGs in stock. Application: it is wi... -
Renewable Design for China N-Acetyl-L-Tyrosine Powder - N-Acetyl-L-leucine – Baishixing
Specifications Appearance White to off-white powder Specific Rotation[α]20/D -22.0°～ -26.0°(C=2,MeOH) Residue on ignition ≤0.3% Heavy metal(Pb） ≤20ppm Assay 98.0%～102.0 % Purity ≥98.0% Loss on drying ≤0.50% Appearance: White to off-white powder Product Quality meets: Our company standards. Stock status: Usually keep 800-1000KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate of Apremilast. Package: 25kg / barrel Physicochemical pro... -
2021 New Style N-Glycyl-L-Tyrosine - 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... -
Quality Inspection for Nutrition Supplements - 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... -
Ordinary Discount China Supplier - MOC-L-Valine – Baishixing
Specifications Appearance White or off-white powder Purity ≥99.0% Heavy metal(Pb) ≤20ppm Water Content(KF) ≤1.0% A single impurity ≤0.5% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 1000-2000KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel
