1309764-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309764-38-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,7,6 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1309764-38:
(9*1)+(8*3)+(7*0)+(6*9)+(5*7)+(4*6)+(3*4)+(2*3)+(1*8)=172
172 % 10 = 2
So 1309764-38-2 is a valid CAS Registry Number.