187887-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187887-47-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,8 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 187887-47:
(8*1)+(7*8)+(6*7)+(5*8)+(4*8)+(3*7)+(2*4)+(1*7)=214
214 % 10 = 4
So 187887-47-4 is a valid CAS Registry Number.