182241-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 182241-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,2,4 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 182241-46:
(8*1)+(7*8)+(6*2)+(5*2)+(4*4)+(3*1)+(2*4)+(1*6)=119
119 % 10 = 9
So 182241-46-9 is a valid CAS Registry Number.
182241-46-9Relevant articles and documents
A practical photochemical synthesis of 6-aza-1,10-phenanthroic anhydride
Pierce, Michael E.,Fortunak, Joseph M. D.,Islam, Qamrul
, p. 3645 - 3652 (1996)
A high yield synthesis of 6-aza-1,10-phenanthroic anhydride has been developed. The key step is a volume-efficient photochemical cyclization of azastilbene 5 to the photochemically stable dihydroazaphenanthrene 9.
