740832-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740832-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,3 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 740832-97:
(8*7)+(7*4)+(6*0)+(5*8)+(4*3)+(3*2)+(2*9)+(1*7)=167
167 % 10 = 7
So 740832-97-7 is a valid CAS Registry Number.