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Good quality 4042-36-8 - N-Acetyl-amino acids N-Acetyl-L-Glutamic acid CAS No.: 1188-37-0 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystals or crystalline powder Specific Rotation [20/D] -14 to -17.0° Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Sulfate(SO4) Not more than 0.10% Other amino acids Chromatographically not detectable Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.50% Residue on ignition Not more than 0.30% Assay 98.0% to 102.0% pH 1.7 to 2.8 Validity period 2 years Pac... -
Professional Design (R)-4-Boc-2-Methylpiperazine - (R)-N-BOC-2-methylproline 166170-15-6 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white solid 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 (R)-N-BOC-2-methylproline; 1-(tert-butoxycarbonyl)-2-methyl-D-proline(SALTDATA:FREE); 1,2-Pyrrolidinedicarboxylicacid,2-methyl-,1-(1,1-dimethylethyl)ester,(2R)-; (2R)-2-Methyl-1,2-pyrrolidinedicarboxylicacid1-(1,1-dimethylethyl)ester; 1-Boc-2-Methyl-D-proline; (R)-1-B... -
Cheap price 101555-62-8 - L-amino acids L-Glutamic acid CAS No.: 56-86-0 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystals or crystalline powder Specific rotation(a)D20 -74.0º to –77.0º Transmittance Not less than 95.0% Chloride (Cl) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Heavy metal(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.1% Assay 98.5 to 101.0% Validity period 2 years PH 5.0 – 6.5 Package 25kg/ drum ... -
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Reasonable price 18621-17-5 - (R)-N-BOC-2-methylproline 166170-15-6 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white solid 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 (R)-N-BOC-2-methylproline; 1-(tert-butoxycarbonyl)-2-methyl-D-proline(SALTDATA:FREE); 1,2-Pyrrolidinedicarboxylicacid,2-methyl-,1-(1,1-dimethylethyl)ester,(2R)-; (2R)-2-Methyl-1,2-pyrrolidinedicarboxylicacid1-(1,1-dimethylethyl)ester; 1-Boc-2-Methyl-D-proline; (R)-1-B... -
100% Original 35661-39-3 - China Fmoc-Asn-OH CAS: 71989-16-7 Factory – Tongsheng Amino Acid
Product Detail CAS: 71989-16-7 Appearance: White to off white solid Purity: ≥98% Product Quality meets: Our company standards Packing : 1kg or according to customer requirements. Source: Chemical Synthetic Synonyms FMOC-ASN-OH;FMOC-ASN N-ALPHA-FMOC-L-ASN; N-ALPHA-FMOC-L-ASPARAGINE; NALPHA-[(9H-FLUOREN-9-YLMETHOXY)CARBONYL]-L-ASPARAGINE; N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-N-L-ASPARAGINE; N-(9-FLUORENYLMETHOXYCARBONYL)-L-ASPARAGINE; NALPHA-(9-FLUORENYLMETHOXYCARBONYL)-L-ASPARAGINE; ... -
Big Discount 1142-20-7 - Fmoc-Orn(Boc)-OH 109425-55-0 manufacturer – Tongsheng Amino Acid
Product Detail Purity：98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms N(α)-fmoc-N(delta)-boc-L-ornithine; N-DELTA-BOC-N-ALPHA-FMOC-L-ORNITHINE; N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-N-GAMMA-T-BUTYL-OXYCARBONYL-L-ORNITHINE; N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-N-DELTA-TERT-BUTYLOXYCARBONYL-L-ORNITHINE; N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-N-DELTA-T-BUTOXY... -
![Reasonable price 7250-67-1 - Carbamic acid, N- [(1R)-1-cyanoethyl]-,1,1-dimethylethyl ester CAS No.: 100927-09-1 – Tongsheng Amino Acid](https://cdn.globalso.com/sctsgroup/产品主图9-300x297.jpg)
Reasonable price 7250-67-1 - Carbamic acid, N- [(1R)-1-cyanoethyl]-,1,1-dimethylethyl ester CAS No.: 100927-09-1 – 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... -
Renewable Design for 556-50-3 - 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... -
Special Price for 73742-45-7 - N-Moc-L-tert-Leucine 162537-11-3 manufacturer – Tongsheng Amino Acid
Product Detail Purity:: ≥98% Product Quality meets: Our company standards Packing : 25kg/ 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 MOC-L-tert.Leucine; (S)-2-Methoxycarbonylamino-3,3-dimethylbutyricacid; Methoxycarbonyl-L-tert-leucine; N-(Methoxycarbonyl)-3-methyl-L-valine; N-Methoxycarbonyl-tert-leucine; MOC-L-tert.Leucine; L-Valine,N-(M... -
OEM China 556-03-6 - 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... -
OEM/ODM China 5-Chloro-2,3-Diphenylpyrazine - H-4-(2-(Boc-amino)ethoxy)-Phe-Ome 897962-34-4 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white solid 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 L-Tyrosine, O-[2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl]-, methyl ester; H-4-(2-(Boc-amino)ethoxy)-Phe-OMe;2-amino-3-(4-(2-((tert-butoxycarbonyl)amino)ethoxy)phenyl)propanoate
