136922-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136922-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,2 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136922-49:
(8*1)+(7*3)+(6*6)+(5*9)+(4*2)+(3*2)+(2*4)+(1*9)=141
141 % 10 = 1
So 136922-49-1 is a valid CAS Registry Number.