1187929-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187929-18-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,9,2 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1187929-18:
(9*1)+(8*1)+(7*8)+(6*7)+(5*9)+(4*2)+(3*9)+(2*1)+(1*8)=205
205 % 10 = 5
So 1187929-18-5 is a valid CAS Registry Number.