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Merck
CN

245909

1-Phenylsemicarbazide

99%

Synonym(s):

(Phenylamino)urea, 1-Carbamoyl-2-phenylhydrazine, 2-Phenylhydrazinecarboxamide

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About This Item

Linear Formula:
C6H5NHNHCONH2
CAS Number:
103-03-7
Molecular Weight:
151.17
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24854767
EC Number:
203-072-3
Beilstein/REAXYS Number:
743311
MDL number:
MFCD00007942
Assay:
99%
Form:
powder

Key Documents

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Product Name

1-Phenylsemicarbazide, 99%

InChI key

AVKHCKXGKPAGEI-UHFFFAOYSA-N

InChI

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

SMILES string

NC(=O)NNc1ccccc1

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.)

functional group

amine
hydrazide

Quality Level

200

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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.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ9690
MKCX3191
MKCV9886
MKCV9887
MKCW7119

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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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