741729-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 741729-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,1,7,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 741729-77:
(8*7)+(7*4)+(6*1)+(5*7)+(4*2)+(3*9)+(2*7)+(1*7)=181
181 % 10 = 1
So 741729-77-1 is a valid CAS Registry Number.