749222-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749222-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,2,2 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 749222-54:
(8*7)+(7*4)+(6*9)+(5*2)+(4*2)+(3*2)+(2*5)+(1*4)=176
176 % 10 = 6
So 749222-54-6 is a valid CAS Registry Number.