The CAS Registry Mumber 84426-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,2 and 6 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 84426-19: (7*8)+(6*4)+(5*4)+(4*2)+(3*6)+(2*1)+(1*9)=137 137 % 10 = 7 So 84426-19-7 is a valid CAS Registry Number.
Syntheses of peptide alkaloids. VI. Amino acids and peptides. XXXVII. Total synthesis of 9,10-dihydrozizyphine G
Schmidt,Lieberknecht,Griesser,Hausler
, p. 2153 - 2162 (2007/10/02)
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