1274948-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1274948-40-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,4,9,4 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1274948-40:
(9*1)+(8*2)+(7*7)+(6*4)+(5*9)+(4*4)+(3*8)+(2*4)+(1*0)=191
191 % 10 = 1
So 1274948-40-1 is a valid CAS Registry Number.