The CAS Registry Mumber 61898-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,9 and 8 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 61898-04: (7*6)+(6*1)+(5*8)+(4*9)+(3*8)+(2*0)+(1*4)=152 152 % 10 = 2 So 61898-04-2 is a valid CAS Registry Number.
Synthesis of trilobine, isotrilobine, and obaberine
Inubushi,Ito,Masaki,Ibuka
, p. 1636 - 1644 (2007/10/04)
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