1630984-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630984-76-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,9,8 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1630984-76:
(9*1)+(8*6)+(7*3)+(6*0)+(5*9)+(4*8)+(3*4)+(2*7)+(1*6)=187
187 % 10 = 7
So 1630984-76-7 is a valid CAS Registry Number.