1158777-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158777-67-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,7,7 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1158777-67:
(9*1)+(8*1)+(7*5)+(6*8)+(5*7)+(4*7)+(3*7)+(2*6)+(1*7)=203
203 % 10 = 3
So 1158777-67-3 is a valid CAS Registry Number.