219943-37-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219943-37-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,4 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219943-37:
(8*2)+(7*1)+(6*9)+(5*9)+(4*4)+(3*3)+(2*3)+(1*7)=160
160 % 10 = 0
So 219943-37-0 is a valid CAS Registry Number.