111280-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111280-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,8 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 111280-44:
(8*1)+(7*1)+(6*1)+(5*2)+(4*8)+(3*0)+(2*4)+(1*4)=75
75 % 10 = 5
So 111280-44-5 is a valid CAS Registry Number.
111280-44-5Relevant articles and documents
Steric effects in intramolecular [2+2] photocycloaddition of C=C double bonds to cyclohexenones
Becker,Haddad
, p. 947 - 964 (2007/10/02)
The effect of substituents on the mode of approach and the endo/exo ratio in intramolecular [2+2] photocycloaddition reactions were studied.
