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245909

Sigma-Aldrich

1-Phenylsemicarbazide

99%

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Synonym(s):
(Phenylamino)urea, 1-Carbamoyl-2-phenylhydrazine, 2-Phenylhydrazinecarboxamide
Linear Formula:
C6H5NHNHCONH2
CAS Number:
103-03-7
Molecular Weight:
151.17
Beilstein:
743311
EC Number:
203-072-3
MDL number:
MFCD00007942
UNSPSC Code:
12352100
PubChem Substance ID:
24854767
NACRES:
NA.22

Quality Level

200

Assay

99%

form

powder

mp

171-174 °C (lit.)

solubility

acetone: very soluble(lit.)
alcohol: very soluble(lit.)
benzene: slightly soluble(lit.)
cold water: slightly soluble(lit.)
diethyl ether: slightly soluble(lit.)
hot water: very soluble(lit.)
methanol: very soluble(lit.)

SMILES string

NC(=O)NNc1ccccc1

InChI

1S/C7H9N3O/c8-7(11)10-9-6-4-2-1-3-5-6/h1-5,9H,(H3,8,10,11)

InChI key

AVKHCKXGKPAGEI-UHFFFAOYSA-N

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Application

1-Phenylsemicarbazide was used in the synthesis of a series of alkyl(aryl/heteroaryl) substituted 3-trifluoromethyl-1H-1-phenylpyrazoles and alkyl 3-carboxylate analogs by the cyclocondensation reactions with 4-alkoxy-1,1,1-trihaloalk-3-en-2-ones.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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New one-pot, efficient, and regioselective method for the synthesis of 3-Trifluoromethyl-1< i> H</i>-1-phenylpyrazoles and alkyl 3-carboxylate analogs.
Bonacorso HG, et al.
Tetrahedron Letters, 53(41), 5488-5491 (2012)

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