6336-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6336-98-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,3 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6336-98:
(6*6)+(5*3)+(4*3)+(3*6)+(2*9)+(1*8)=107
107 % 10 = 7
So 6336-98-7 is a valid CAS Registry Number.
6336-98-7Relevant articles and documents
Reductive cyclization of a functionalized 1,1′-bianthraquinone
Alth?n, Isabel Maria,Spitzner, Dietrich
, p. 1905 - 1906 (2005)
Reductive cyclization of 2,2′-dimethoxymethyl-[1,1′- bianthracene]-9,9′, 10,10′-tetrone with Cu powder in concentrated sulfuric acid yields helianthrone with partially reduced side chain. Georg Thieme Verlag Stuttgart.
