18617-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18617-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,1 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18617-59:
(7*1)+(6*8)+(5*6)+(4*1)+(3*7)+(2*5)+(1*9)=129
129 % 10 = 9
So 18617-59-9 is a valid CAS Registry Number.
18617-59-9Relevant articles and documents
A New Convenient Synthetic Method for 3,4-Diaryl-2,6-piperidinediones
Al-Arab, Mohammad M.,Issa, Ali M.
, p. 987 - 992 (2007/10/02)
A one-pot reaction for the preparation of 3,4-diaryl-2,6-piperidinediones through acid hydrolysis of the corresponding ethyl 3,4-diaryl-4-cyanobutyrates is described. - Keywords: Heterocycles; Piperidinediones
