190070-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190070-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,0,7 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 190070-81:
(8*1)+(7*9)+(6*0)+(5*0)+(4*7)+(3*0)+(2*8)+(1*1)=116
116 % 10 = 6
So 190070-81-6 is a valid CAS Registry Number.