1261902-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261902-11-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,9,0 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1261902-11:
(9*1)+(8*2)+(7*6)+(6*1)+(5*9)+(4*0)+(3*2)+(2*1)+(1*1)=127
127 % 10 = 7
So 1261902-11-7 is a valid CAS Registry Number.