90836-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90836-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,3 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90836-25:
(7*9)+(6*0)+(5*8)+(4*3)+(3*6)+(2*2)+(1*5)=142
142 % 10 = 2
So 90836-25-2 is a valid CAS Registry Number.
90836-25-2Relevant academic research and scientific papers
A convenient synthesis of alkyl heteroarylpyruvates
Zupet,Tisler
, p. 2245 - 2251 (2007/10/02)
Several ethyl heteroarylpyruvates were obtained by condensation of the corresponding methyl substituted azines or azoles with diethyl oxalate and in the presence of potassium tert-butoxide. The obtained compounds exist exclusively or predominantly in the enol form.
