273199-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273199-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,1,9 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 273199-64:
(8*2)+(7*7)+(6*3)+(5*1)+(4*9)+(3*9)+(2*6)+(1*4)=167
167 % 10 = 7
So 273199-64-7 is a valid CAS Registry Number.