77729-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77729-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,2 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77729-58:
(7*7)+(6*7)+(5*7)+(4*2)+(3*9)+(2*5)+(1*8)=179
179 % 10 = 9
So 77729-58-9 is a valid CAS Registry Number.
77729-58-9Relevant articles and documents
Synthesis of a Natural Hexachloro Dinaphthofuran Quinone
Cameron, Donald W.,Feutrill, Geoffrey I.,Pannan, Linda J. H.
, p. 2531 - 2541 (2007/10/02)
1,3,6,8,11,13-Hexachloro-4,10-dihydroxy-5,9-dihydrodinaphthofuran-5,9-dione (1), a pigment isolated from soils and the only natural example of this ring system, has been synthesized for the first time.
