648442-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 648442-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,8,4,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 648442-09:
(8*6)+(7*4)+(6*8)+(5*4)+(4*4)+(3*2)+(2*0)+(1*9)=175
175 % 10 = 5
So 648442-09-5 is a valid CAS Registry Number.
648442-09-5Relevant articles and documents
Hydrogen-bonded networks from η5-semiquinone complexes of manganese tricarbonyl
Oh, Moonhyun,Reingold, Jeffrey A.,Carpenter, Gene B.,Sweigart, Dwight A.
, p. 78 - 84 (2003)
The cationic manganese tricarbonyl complexes containing η6 -2-methylhydroquinone (2a), η6-2,3-dimethylhydroquinone (3a), η6-2-t-butylhydroquinone (4a), η 6-tetramethylhydroquinone (5a) and η6-4, 4′-bi
