1378239-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378239-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,2,3 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1378239-50:
(9*1)+(8*3)+(7*7)+(6*8)+(5*2)+(4*3)+(3*9)+(2*5)+(1*0)=189
189 % 10 = 9
So 1378239-50-9 is a valid CAS Registry Number.