637029-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637029-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,2 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 637029-40:
(8*6)+(7*3)+(6*7)+(5*0)+(4*2)+(3*9)+(2*4)+(1*0)=154
154 % 10 = 4
So 637029-40-4 is a valid CAS Registry Number.