135900-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135900-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,9,0 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135900-97:
(8*1)+(7*3)+(6*5)+(5*9)+(4*0)+(3*0)+(2*9)+(1*7)=129
129 % 10 = 9
So 135900-97-9 is a valid CAS Registry Number.
135900-97-9Relevant articles and documents
Synthesis and Properties of Substituted 1,6-Dioxapyrene Donors
Christensen, J. B.,Johannsen, I.,Bechgaard, K.
, p. 7055 - 7058 (2007/10/02)
The synthesis of substituted 1,6-dioxapyrenes, 2b-g, from 2,6-dipropyl-1,5-naphthalenediol (7a) or 2,6-dimethyl-1,5-naphthalenediol (7b) is described.Diol 7a was prepared by Claisen allylic rearrangement followed by reduction, and 7b was prepared by Manni
