931302-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 931302-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,1,3,0 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 931302-38:
(8*9)+(7*3)+(6*1)+(5*3)+(4*0)+(3*2)+(2*3)+(1*8)=134
134 % 10 = 4
So 931302-38-4 is a valid CAS Registry Number.