378243-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 378243-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,8,2,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 378243-91:
(8*3)+(7*7)+(6*8)+(5*2)+(4*4)+(3*3)+(2*9)+(1*1)=175
175 % 10 = 5
So 378243-91-5 is a valid CAS Registry Number.