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* Service & Products of Interested: [Labelled Impurities] 1-(Methyl)-4-nitro-3-(2,2,3,3,3-[d5]-propyl)-1H-pyrazole-5-carboxylic Acid (1175992-94-5)
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1-(Methyl)-4-nitro-3-(2,2,3,3,3-[d5]-propyl)-1H-pyrazole-5-carboxylic Acid

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General Information
Catalog: BLP-007699
CAS: 1175992-94-5
Molecular Formula: C8H6D5N3O4
Molecular Weight: 218.22

Chemical Structure

Description	Labelled 1-methyl-4-Nitro-3-n-propyl pyrazole-5-carboxylic acid, an impurity of Sildenafil citrate. Sildenafil is a selective type 5 cGMP phosphodiesterase inhibitor for the treatment of erectile dysfunction and pulmonary arterial hypertension.
IUPAC Name	2-methyl-4-nitro-5-(2,2,3,3,3-pentadeuteriopropyl)pyrazole-3-carboxylic acid
Related CAS	139756-00-6 (unlabelled)
Canonical SMILES	CCCC1=NN(C(=C1[N+](=O)[O-])C(=O)O)C
InChI	InChI=1S/C8H11N3O4/c1-3-4-5-6(11(14)15)7(8(12)13)10(2)9-5/h3-4H2,1-2H3,(H,12,13)/i1D3,3D2
InChI Key	GFORSNBMYCLGIE-WNWXXORZSA-N
Boiling Point	392.7±42.0°C at 760 mmHg
Density	1.5±0.1 g/cm3