123199-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123199-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,9 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123199-67:
(8*1)+(7*2)+(6*3)+(5*1)+(4*9)+(3*9)+(2*6)+(1*7)=127
127 % 10 = 7
So 123199-67-7 is a valid CAS Registry Number.