1783945-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1783945-29-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,8,3,9,4 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1783945-29:
(9*1)+(8*7)+(7*8)+(6*3)+(5*9)+(4*4)+(3*5)+(2*2)+(1*9)=228
228 % 10 = 8
So 1783945-29-8 is a valid CAS Registry Number.