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Good Quality L-Amino Acids - N-Acetyl-amino acids N-Acetyl-L-valine CAS No.: 96-81-1 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystals or crystalline powder Specific rotation[α]20/D (C=1 Acetic acid) +7.3°to +11.3° Melting point 159 to 168℃ Heavy metal(Pb) Not more than 20ppm Arsenic (As2O3) Not more than 2ppm Loss on drying Not more than 0.50% Residue on ignition Not more than 0.30% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of... -
Factory Price 71989-33-8 - H- Trp (Boc)-OH CAS:146645-63-8 manufacturer – Tongsheng Amino Acid
Product Detail Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms N-IN-BOC-L-TRYPTOPHAN; N-INDOLE-T-BUTOXYCARBONYL-L-TRYPTOPHAN; H-TRP(BOC)-OH; N-IN-BOC-L-TRYPTOPHAN; N-INDOLE-T-BUTOXYCARBONYL-L-TRYPTOPHAN; (S)-2-amino-3-(1-(tert-butoxycarbonyl)-1H-indol-3-yl)propanoicacid; 1-Boc-D-tryptophan; 1-[(1,1-Dimethylethoxy)carbonyl]-L-tryptophan; L-Trp(Boc)-OH Appl... -
Manufacturer for 34592-47-7 - N-Acetyl-amino acids N-Formyl-L-Leucine CAS No.: 6113-61-7 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance Off-white to white powder Specific Rotation [20/D] (c=1 in H2O) -37°to -41° Water(KF) ≤0.50% Assay 98.5% to 101.5% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： FOR-LEU-OH; (S)-(+)-N-formyl leucine; FORMYL-L-ALANINE; (S)-2-formamido-4-methylpentanoic acid; N-HCO-(S)-Leu; N-... -
OEM/ODM Manufacturer 2-Amino-3,5-Dibromopyrazine - 3-methyl-N-(trifluoroacetyl)-L-Valine CAS No.: 666832-71-9 – Tongsheng Amino Acid
Product Detail Appearance: solid Purity: ≥98% Product Quality meets: Our company standards. Stability : Stable under recommended storage conditions. Conditions for safe storage : Store in cool place .Keep container tightly closed in a dry and well-ventilated place. Precautions for safe handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure – obtain special instructions before use. Provide appropriate exhaust ventilation at places where dust is f... -
Good quality 2462-32-0 - Compound salts L-Arginine-L-pyroglutamate CAS No.: 56265-06-6 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Specific rotation[α]20/D (C=8 in 6N HCl) +16.5 to ~18.5 Degree Transmittance (0.5 in 10ml of H2O) Not less than 95.0% Chloride (Cl) Not more than 0.02% Sulfate(SO4) Not more than 0.02% Iron (Fe) Not more than 10ppm Heavy metal(Pb) Not more than 10ppm Ammonium(NH4) Not more than 0.02% Water(KF) Not more than 2.0% Residue on ignition(sulfated) Not more than 0.1% Assay 98.5% to 101.5% Validity period 2 years Package 2... -
Special Price for 73742-45-7 - 2-(3R)-3-Piperidinyl-1H-isoindole-1,3(2H)-dione 886588-61-0 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white powder Purity:: ≥98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Country of Origin : China Hazards identification: Not a hazardous substance or mixture. Product can be transported as general chemicals. Synonyms 3-(R)-PIPERIDINYLPHTHALIMIDEHYDROCHLORIDE; 3-(R)-PIPERIDINYLPHTHALIMIDEHC; (R)-2-(Piperidin-3-yl)isoindoline-1,3-dionehydrochloride; 2-(3R)-3-Piperidinyl-1H-isoindole-1,3(2H)-di... -
OEM manufacturer 109425-55-0 - China L-Isovaline CAS: 595-40-4 Factory – Tongsheng Amino Acid
Product Detail Appearance: White to off white solid Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Synonyms L(+)-IsovalineMonohydrate; 2,3-Dimethylalanine; 2-azanyl-2-methyl-butanoicacid; (S)-Α-ETHYLALANINE·H2O; α-Me-Gly(Ethyl)-OH·H2O; (S)-2-Amino-2-MethylbutanoicAcid; (S)-(+)-2-Amino-2-methylbutanoicacidmonohydrate -
Europe style for 54323-50-1，5025-82-1 - N-Acetyl-amino acids N-Acetyl-L-alanine CAS No.: 97-69-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystal powder Specific rotation[α]20/D (C=2 in H2O) -61 to -67 Degree Transmittance Not less than 95.0% Loss on drying Not more than 0.50% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： 2-Acetylaminopropionic acid; N-Acetyl-L-alanine; Ac-Ala-OH... -
Popular Design for Boc-L-Tert-Leucine - 1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1029716-44-6 manufacturer – Tongsheng Amino Acid
Product Detail Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms 1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; 1H-Pyrazole,1-(1-ethoxyethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-; 1-(1-ethoxyethyl)-4-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; (1-(1-ethChemicalbookoxyethyl)-1H-pyrazol-4-yl)boronicacid; 1-(1... -
Wholesale Gaba - N-Acetyl-amino acids N-Formyl-L-Leucine CAS No.: 6113-61-7 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance Off-white to white powder Specific Rotation [20/D] (c=1 in H2O) -37°to -41° Water(KF) ≤0.50% Assay 98.5% to 101.5% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： FOR-LEU-OH; (S)-(+)-N-formyl leucine; FORMYL-L-ALANINE; (S)-2-formamido-4-methylpentanoic acid; N-HCO-(S)-Leu; N-... -
High Quality for 1378388-16-9 - 35150-07-3 Boc-Pro-NH2 supplier – Tongsheng Amino Acid
Product Detail CAS No.:35150-07-3 Purity: ≥98% Product Quality meets: Our company standards Source: Chemical Synthetic Synonyms BOC-L-PROLINAMIDE; BOC-L-PRO-NH2; BOC-L-PROLINEAMIDE; BOC-PYRD(2)-NH2; L-1-N-Bocprolidinamid; tert-butyl(2S)-2-carbamoylpyrrolidine-1-carboxylate; 1-Pyrrolidinecarboxylicacid,2-(aminocarbonyl)-,1,1-dimethylethylester,(2S)- Application Pharmaceutical intermediates; Superiority 1.High quality & competitive price could be provided. 2.Supplier questionnaire and techn... -
Reasonable price 18621-17-5 - (S)-4-N-Boc-2-methylpiperazine 147081-29-6 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white to off white powder Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/ drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms TERT-BUTYL(S)-3-METHYL-1-PIPERAZINECARBOXYLATE; (S)-TERT-BUTYL3-METHYLPIPERAZINE-1-CARBOXYLATE; (S)-N4-BOC-2-METHYLPIPERAZINE; (S)-1-TERT-BUTOXYCARBONYL-3-METHYLPIPERAZINE; (S)-1-N-BOC-3-METHYLPIPERAZINE; (S)-3-METHYL-PIPERAZINE-1-CARBOXYLICACIDTERT-BUTY...
