121706-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121706-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,0 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121706-81:
(8*1)+(7*2)+(6*1)+(5*7)+(4*0)+(3*6)+(2*8)+(1*1)=98
98 % 10 = 8
So 121706-81-8 is a valid CAS Registry Number.