1219826-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219826-05-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,8,2 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1219826-05:
(9*1)+(8*2)+(7*1)+(6*9)+(5*8)+(4*2)+(3*6)+(2*0)+(1*5)=157
157 % 10 = 7
So 1219826-05-7 is a valid CAS Registry Number.