The CAS Registry Mumber 84133-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,3 and 3 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 84133-19: (7*8)+(6*4)+(5*1)+(4*3)+(3*3)+(2*1)+(1*9)=117 117 % 10 = 7 So 84133-19-7 is a valid CAS Registry Number.
Syntheses of peptide alkaloids, IX. - Amino acids and peptides, XLVI. Total synthesis of mucronin B
Schmidt,Schanbacher
, p. 1205 - 1215 (2007/10/02)
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