876887-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 876887-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,8,8 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 876887-71:
(8*8)+(7*7)+(6*6)+(5*8)+(4*8)+(3*7)+(2*7)+(1*1)=257
257 % 10 = 7
So 876887-71-7 is a valid CAS Registry Number.