Cysteine and derivatives for biochemistry, cell culture and polypeptide synthesis.
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S-Diphenylmethyl-L-cysteine

Product Information Product Name S-Diphenylmethyl-L-cysteine Brand Name Chem Impex Product Number 05917 CAS 5191-80-0 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 21261 IUPAC Name (2R)-2-amino-3-benzhydrylsulfanylpropanoic...
$131.00
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S-9-Fluorenylmethyl-L-cysteine hydrochloride

Product Information Product Name S-9-Fluorenylmethyl-L-cysteine hydrochloride Brand Name Chem Impex Product Number 05918 CAS 84888-34-6 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 74765204 IUPAC Name...
$115.00
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S-Benzyl-L-cysteine 4-nitroanilide

Product Information Product Name S-Benzyl-L-cysteine 4-nitroanilide Brand Name Chem Impex Product Number 05915 CAS 7436-62-6 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 81941 IUPAC Name...
$143.80
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S-Benzyl-L-cysteine ethyl ester hydrochloride

Product Information Product Name S-Benzyl-L-cysteine ethyl ester hydrochloride Brand Name Chem Impex Product Number 05914 CAS 52844-67-4 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 12839759...
$42.10
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Boc-S-4-methoxybenzyl-D-cysteine

Product Information Product Name Boc-S-4-methoxybenzyl-D-cysteine Brand Name Chem Impex Product Number 05483 CAS 58290-35-0 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 6992555 IUPAC Name (2S)-3-(4-methoxyphenyl)methylsulfanyl-2-(2-methylpropan-2-yl)oxycarbonylaminopropanoic...
$67.10
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Boc-S-9-fluorenylmethyl-L-cysteine

Product Information Product Name Boc-S-9-fluorenylmethyl-L-cysteine Brand Name Chem Impex Product Number 05467 CAS 84888-35-7 Certificate of Analysis (COA)​ Search COA not found General Information PubChem CID 7018742 IUPAC Name (2R)-3-(9H-fluoren-9-ylmethylsulfanyl)-2-(2-methylpropan-2-yl)oxycarbonylaminopropanoic...
$147.00