274263-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 274263-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,2,6 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 274263-07:
(8*2)+(7*7)+(6*4)+(5*2)+(4*6)+(3*3)+(2*0)+(1*7)=139
139 % 10 = 9
So 274263-07-9 is a valid CAS Registry Number.