83038-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83038-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,3 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83038-49:
(7*8)+(6*3)+(5*0)+(4*3)+(3*8)+(2*4)+(1*9)=127
127 % 10 = 7
So 83038-49-7 is a valid CAS Registry Number.