1-Methyl-1,3-dihydrospiro[benzimidazole-2,3-indol]-2(1H)-one

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Names

[ CAS No. ]:
21943-56-6

[ Name ]:
1-Methyl-1,3-dihydrospiro[benzimidazole-2,3-indol]-2(1H)-one

[Synonym ]:
1'-methyl-1,3-dihydro-1'H-spiro[benzoimidazole-2,3'-indol]-2'-one
1'-Methyl-1,3-dihydrospiro(benzimidazole-2,3'-indol)-2'(1'H)-one
1'-methylspiro<2H-benzimidazoline-2,3'-indolin-2'-one>
1'-Methyl-2,3-dihydro-benzimidazol-<2-spiro-3'>-oxindol

Chemical & Physical Properties

[ Density]:
1.39g/cm3

[ Boiling Point ]:
562.7ºC at 760 mmHg

[ Molecular Formula ]:
C15H13N3O

[ Molecular Weight ]:
251.28300

[ Flash Point ]:
294.1ºC

[ Exact Mass ]:
251.10600

[ PSA ]:
44.37000

[ LogP ]:
2.69440

[ Vapour Pressure ]:
1.1E-12mmHg at 25°C

[ Index of Refraction ]:
1.737

Safety Information

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1-methylisatin
  • o-Phenylenediamine
  • 2H-Indol-2-one, 3-[(2-aminophenyl)imino]-1,3-dihydro-1-methyl-

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%