1292229-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1292229-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,2,2,2 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1292229-91:
(9*1)+(8*2)+(7*9)+(6*2)+(5*2)+(4*2)+(3*9)+(2*9)+(1*1)=164
164 % 10 = 4
So 1292229-91-4 is a valid CAS Registry Number.