The CAS Registry Mumber 14957-76-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,9,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 14957-76: (7*1)+(6*4)+(5*9)+(4*5)+(3*7)+(2*7)+(1*6)=137 137 % 10 = 7 So 14957-76-7 is a valid CAS Registry Number.
Hydrazine compounds as heterocomponents in peptides, VII. Synthesis of derivatives and peptides of DL-alpha-hydrazino-beta-phenyl-propionic acid (NHPhe)
Grupe,Niedrich
, p. 3914 - 3924 (2007/10/06)
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