374890-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 374890-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,8,9 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 374890-74:
(8*3)+(7*7)+(6*4)+(5*8)+(4*9)+(3*0)+(2*7)+(1*4)=191
191 % 10 = 1
So 374890-74-1 is a valid CAS Registry Number.