75488-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75488-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,8 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75488-20:
(7*7)+(6*5)+(5*4)+(4*8)+(3*8)+(2*2)+(1*0)=159
159 % 10 = 9
So 75488-20-9 is a valid CAS Registry Number.
75488-20-9Relevant articles and documents
Photochemical Synthesis of Heteroatom-Containing Polycyclic Aromatic Compounds (1a-d)
Kazuhiro, Maruyama,Otsuki, Tetsuo,Mitsui, Kiichiro,Tojo, Masahiro
, p. 695 - 700 (2007/10/02)
Anthrafuran, anthrabenzofuran, anthrathiophene, anthrathiophene, anthrabenzothiophene, anthrapyrrole and naphtocarbazole derivatives were synthesized in fairly good yields by a one-pot photocycloaddit