10639-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10639-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,6,3 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 10639-26:
(7*1)+(6*0)+(5*6)+(4*3)+(3*9)+(2*2)+(1*6)=86
86 % 10 = 6
So 10639-26-6 is a valid CAS Registry Number.