127931-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127931-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,3 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 127931-45:
(8*1)+(7*2)+(6*7)+(5*9)+(4*3)+(3*1)+(2*4)+(1*5)=137
137 % 10 = 7
So 127931-45-7 is a valid CAS Registry Number.
127931-45-7Relevant articles and documents
Novel Photocyclization between Quinone and 1,1-Diphenylcyclopropane
Maruyama, Kazuhiro,Imahori, Hiroshi,Ozawa, Yoshiki
, p. 2117 - 2118 (2007/10/02)
Photochemical reaction of 2,3-dichloro-1,4-naphthoquinone with 1,1-diphenylcyclopropane gave a spirofuran adduct as the sole photoproduct.
