Cas 216671-81-7,1-Benzoylaminocarbothioyl-pyrrolidine-2-carboxylic acid ethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 216671-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,6,7 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 216671-81:
(8*2)+(7*1)+(6*6)+(5*6)+(4*7)+(3*1)+(2*8)+(1*1)=137
137 % 10 = 7
So 216671-81-7 is a valid CAS Registry Number.

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216671-81-7Relevant articles and documents

N-benzoylthiocarbamoyl amino acid ethyl esters as chelate ligands for transition metal ions

Lessmann, Frank,Beyer, Lothar,Richter, Rainer,Meusinger, Reinhard

, p. 981 - 990 (2007/10/03)

The reactions of benzoyl isothiocyanate with amino acid ethyl esters (N-butyl glycine ethyl ester, (S)-(-)-proline ethyl ester) give N-benzoylthiocarbamoyl amino acid ethyl esters. Apart from the expected N-benzoylthiocarbamoyl (S)-(-)-proline ethyl ester

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216671-81-7