34891-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34891-72-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34891-72:
(7*3)+(6*4)+(5*8)+(4*9)+(3*1)+(2*7)+(1*2)=140
140 % 10 = 0
So 34891-72-0 is a valid CAS Registry Number.