842971-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 842971-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,9,7 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 842971-94:
(8*8)+(7*4)+(6*2)+(5*9)+(4*7)+(3*1)+(2*9)+(1*4)=202
202 % 10 = 2
So 842971-94-2 is a valid CAS Registry Number.