700840-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 700840-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,0,8,4 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 700840-63:
(8*7)+(7*0)+(6*0)+(5*8)+(4*4)+(3*0)+(2*6)+(1*3)=127
127 % 10 = 7
So 700840-63-7 is a valid CAS Registry Number.