749244-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749244-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,2,4 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 749244-42:
(8*7)+(7*4)+(6*9)+(5*2)+(4*4)+(3*4)+(2*4)+(1*2)=186
186 % 10 = 6
So 749244-42-6 is a valid CAS Registry Number.