25117-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25117-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,1 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25117-45:
(7*2)+(6*5)+(5*1)+(4*1)+(3*7)+(2*4)+(1*5)=87
87 % 10 = 7
So 25117-45-7 is a valid CAS Registry Number.
25117-45-7Relevant articles and documents
Preparation and Properties of 4- Nitrosoquinolines
Demeunyck, Martine,Tohme, Najat,Lhomme, Marie-France,Lhomme, Jean
, p. 501 - 503 (2007/10/02)
4-Nitrosoquinoline (2a) and 4-nitroso-7-chloroquinoline (2b) were prepared from the parent hydroxylamines.Their characteristic nmr spectrum were recorded.These highly reactive compounds condense readily with 2,3-dimethyl-1,3-butadiene and with aniline.
