83798-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83798-43-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,9 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83798-43:
(7*8)+(6*3)+(5*7)+(4*9)+(3*8)+(2*4)+(1*3)=180
180 % 10 = 0
So 83798-43-0 is a valid CAS Registry Number.
83798-43-0Relevant articles and documents
Oxidative Halogenation of Substituted Pyrroles with Cu(II). Part II. Bromination of some Ethyl 3-Pyrrolecarboxylates and Corresponding Acids
Petruso, S.,Caronna, S.,Sferlazzo, M.,Sprio, V.
, p. 1277 - 1280 (2007/10/02)
Ethyl 3-pyrrolecarboxylates and their corresponding acids are brominated with copper(II) bromide.The reaction afforded at 0 deg, with high-yield nuclear monobromination.