219130-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219130-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,1,3 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219130-11:
(8*2)+(7*1)+(6*9)+(5*1)+(4*3)+(3*0)+(2*1)+(1*1)=97
97 % 10 = 7
So 219130-11-7 is a valid CAS Registry Number.