417712-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 417712-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,7,7,1 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 417712-35:
(8*4)+(7*1)+(6*7)+(5*7)+(4*1)+(3*2)+(2*3)+(1*5)=137
137 % 10 = 7
So 417712-35-7 is a valid CAS Registry Number.