121071-71-4 Usage
General Description
Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride is a chemical compound with the molecular formula C10H12ClNO4S. As the name indicates, it has two carboxylate groups attached to a thiophene ring, a nitrogenous base (Amino group), arrangement of three carbon and an attached hydrochloride group at the end. It is largely used in organic synthesis processes due to its synthetic versatility. The compound is typically used in laboratories for research purposes and not commonly found in consumer products, household goods, or the natural environment because of its specific use in scientific areas.
Check Digit Verification of cas no
The CAS Registry Mumber 121071-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,7 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121071-71:
(8*1)+(7*2)+(6*1)+(5*0)+(4*7)+(3*1)+(2*7)+(1*1)=74
74 % 10 = 4
So 121071-71-4 is a valid CAS Registry Number.
InChI:InChI=1/C8H9NO4S.ClH/c1-12-7(10)5-4(9)3-14-6(5)8(11)13-2;/h3H,9H2,1-2H3;1H
121071-71-4Relevant articles and documents
A rapid conversion of 3-oxothiolanes into 3-aminothiophenes
Barker, John M.,Huddleston, Patrick R.,Wood, Michael L.
, p. 2565 - 2568 (2002)
3-Oxotetrahydrothiophenes can be rapidly converted into 3-aminothiophenes by refluxing with hydroxylamine hydrochloride in a polar solvent, usually acetonitrile.
Process for preparing thiophene derivatives
-
, (2008/06/13)
A process for the preparation of 3-aminothiophenes or acid-addition salts thereof, which comprises reacting the corresponding 3-oxotetrahydrothiophenes with an acid-addition salt of hydroxylamine in the presence of a polar inert solvent and in the absence of a base at a temperature in the range of from 0° to 200° C.
