181861-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181861-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,8,6 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 181861-76:
(8*1)+(7*8)+(6*1)+(5*8)+(4*6)+(3*1)+(2*7)+(1*6)=157
157 % 10 = 7
So 181861-76-7 is a valid CAS Registry Number.
181861-76-7Relevant articles and documents
Synthesis of pyrazolo[1,5-a]quinoxalines
Broggini, Gianluigi,Garanti, Luisa,Molteni, Giorgio,Zecchi, Gaetano
, p. 1076 - 1078 (2007/10/03)
The intramolecular cycloaddition of suitably functionalized nitrilimines provides a general entry to the title compounds.
