130850-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130850-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,5 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 130850-56:
(8*1)+(7*3)+(6*0)+(5*8)+(4*5)+(3*0)+(2*5)+(1*6)=105
105 % 10 = 5
So 130850-56-5 is a valid CAS Registry Number.
130850-56-5Relevant 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.