274910-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 274910-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,1 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 274910-83:
(8*2)+(7*7)+(6*4)+(5*9)+(4*1)+(3*0)+(2*8)+(1*3)=157
157 % 10 = 7
So 274910-83-7 is a valid CAS Registry Number.