1261229-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261229-93-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,2,2 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1261229-93:
(9*1)+(8*2)+(7*6)+(6*1)+(5*2)+(4*2)+(3*9)+(2*9)+(1*3)=139
139 % 10 = 9
So 1261229-93-9 is a valid CAS Registry Number.