1380302-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380302-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,3,0 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1380302-38:
(9*1)+(8*3)+(7*8)+(6*0)+(5*3)+(4*0)+(3*2)+(2*3)+(1*8)=124
124 % 10 = 4
So 1380302-38-4 is a valid CAS Registry Number.