1246657-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1246657-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,6,5 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1246657-38:
(9*1)+(8*2)+(7*4)+(6*6)+(5*6)+(4*5)+(3*7)+(2*3)+(1*8)=174
174 % 10 = 4
So 1246657-38-4 is a valid CAS Registry Number.