217176-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217176-86-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,1,7 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 217176-86:
(8*2)+(7*1)+(6*7)+(5*1)+(4*7)+(3*6)+(2*8)+(1*6)=138
138 % 10 = 8
So 217176-86-8 is a valid CAS Registry Number.