1309674-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309674-65-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,6,7 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1309674-65:
(9*1)+(8*3)+(7*0)+(6*9)+(5*6)+(4*7)+(3*4)+(2*6)+(1*5)=174
174 % 10 = 4
So 1309674-65-4 is a valid CAS Registry Number.