148516-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148516-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,5,1 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148516-31:
(8*1)+(7*4)+(6*8)+(5*5)+(4*1)+(3*6)+(2*3)+(1*1)=138
138 % 10 = 8
So 148516-31-8 is a valid CAS Registry Number.
148516-31-8Relevant articles and documents
Spectral studies on some diethyl 2,3-dioxopentanedioate-2-arylhydrazones
Issa, Y. M.,Sharaf, M. A. F.,Rizk, M. S.,El-Ghar, M. F. Abo
, p. 31 - 34 (2007/10/03)
The newly prepared diethyl 2,3-dioxopentanedioate-2-arylhydrazones exist in the keto-hydrazone form stabilized by hydrogen bonding between NH and ketonic CO resulting in a six membered ring system. Effect of substituents and solvents on the charge transfe
