1178787-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1178787-47-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,8,7,8 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1178787-47:
(9*1)+(8*1)+(7*7)+(6*8)+(5*7)+(4*8)+(3*7)+(2*4)+(1*7)=217
217 % 10 = 7
So 1178787-47-7 is a valid CAS Registry Number.