1397238-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397238-83-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,2,3 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1397238-83:
(9*1)+(8*3)+(7*9)+(6*7)+(5*2)+(4*3)+(3*8)+(2*8)+(1*3)=203
203 % 10 = 3
So 1397238-83-3 is a valid CAS Registry Number.