123270-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123270-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,7 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123270-67:
(8*1)+(7*2)+(6*3)+(5*2)+(4*7)+(3*0)+(2*6)+(1*7)=97
97 % 10 = 7
So 123270-67-7 is a valid CAS Registry Number.