1380583-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380583-38-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,5,8 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1380583-38:
(9*1)+(8*3)+(7*8)+(6*0)+(5*5)+(4*8)+(3*3)+(2*3)+(1*8)=169
169 % 10 = 9
So 1380583-38-9 is a valid CAS Registry Number.