69019-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69019-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,1 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69019-54:
(7*6)+(6*9)+(5*0)+(4*1)+(3*9)+(2*5)+(1*4)=141
141 % 10 = 1
So 69019-54-1 is a valid CAS Registry Number.
InChI:InChI=1/C23H16O2/c24-21-15-20(18-13-7-8-14-19(18)23(21)25)22(16-9-3-1-4-10-16)17-11-5-2-6-12-17/h1-15,24H
69019-54-1Relevant articles and documents
THE PHOTOCHEMICAL REACTION OF 1,2-NAPHTHOQUINONE WITH HYDROGEN DONORS. AN EXPLANATION OF THE COUPLING SITES OF ALKYL AND ACYL RADICALS TO 1,2-NAPHTOSEMIQUINONE RADICAL
Takuwa, Akio,Soga, Osamu
, p. 409 - 412 (2007/10/02)
The photoinduced addition reactions of toluene, diphenylmethane, phenylacetaldehyde, and diphenylacetaldehyde to 1,2-naphthoquinones have been investigated.Benzyl and diphenylmethyl radicals attack the 4-position of 1,2-naphthosemiquinone radical, whereas