947881-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 947881-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,8,8 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 947881-18:
(8*9)+(7*4)+(6*7)+(5*8)+(4*8)+(3*1)+(2*1)+(1*8)=227
227 % 10 = 7
So 947881-18-7 is a valid CAS Registry Number.