847448-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847448-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,4,4 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 847448-55:
(8*8)+(7*4)+(6*7)+(5*4)+(4*4)+(3*8)+(2*5)+(1*5)=209
209 % 10 = 9
So 847448-55-9 is a valid CAS Registry Number.