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Ethyl 4-[4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate

HCID 2856906
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Basic information

CAS
418805-02-4
Standard SMILES
CCOC(=O)c1ccc(N2NC(=O)C(=Cc3ccc([N+](=O)[O-])o3)C2=O)cc1
InChIKey
ARGIPZKQJGFSGQ-UHFFFAOYSA-N
Molecular formula
C17H13N3O7
Average molar mass
371.3 g/mol
Monoisotopic mass
371.07534976

Names & identifiers

Preferred name
Ethyl 4-[4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate
IUPAC
ethyl 4-[4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate
English name
Pyr 41
Molecular formula
C17H13N3O7
Molecular weight
371.3

Names & synonyms

PYR 41ethyl 4-[4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoateC17H13N3O7SCHEMBL3763930HMS3653A09HMS3674C09s7129AKOS0244573644-[4-[(5-Nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]benzoic acid ethyl esterDA-42473ethyl 4-[4-[(5-nitro-2-furyl)methylene]-3,5-dioxo-pyrazolidin-1-yl]benzoateCS-1129
Show more names
PYR41PYR-41PYR 41, >=98%PYR-41 ,S7129PYR 41 USP/EP/BPPYR-41, 10 mM in DMSOPYR-41, Ubiquitin-activating enzyme (E1) inhibitorEthyl 4-(4-((5-nitrofuran-2-yl)methylene)-3,5-dioxopyrazolidin-1-yl)benzoateethyl 4-[(4Z)-4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate

Properties

Computed structural properties

XLogP
2.3
Topological polar surface area
135 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
7
Rotatable bonds
5
Heavy atoms
27
Formal charge
0
Complexity
664

Physicochemical properties

Melting point
228 · 228 - 235°C
Density
1.486 · 1.486±0.06 g/cm3(Predicted)
storage temp.
-20 °C · -20°C
solubility
5 mg/ml · Soluble in DMSO at 5mg/ml with warming
form
powder
pka
7.43 · 7.43±0.20(Predicted)
color
red to brown
Sensitive
Light Sensitive
Stability
2 years · Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20° for up to 1 week.
InChI
InChI=1S/C17H13N3O7/c1-2-26-17(23)10-3-5-11(6-4-10)19-16(22)13(15(21)18-19)9-12-7-8-14(27-12)20(24)25/h3-9H,2H2,1H3,(H,18,21)
InChIKey
ARGIPZKQJGFSGQ-LCYFTJDESA-N
SMILES
C(OCC)(=O)C1=CC=C(N2C(=O)C(=CC3=CC=C([N+]([O-])=O)O3)C(=O)N2)C=C1
FDA UNII
54 RAN9JZ · HT54RAN9JZ
UNSPSC Code
12352200 · 12352200
NACRES

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Safety data

wgk
3
risk_code
22-43
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xn
safety_code
36/37
Storage Class
11 - Combustible Solids
Hazard statements
H302-H317
Hazard Classifications
Acute Tox. 4 OralSkin Sens. 1
Precautionary statements
P280-P301+P312+P330-P302+P352

Chemistry & industry

Applications

DescriptionPyr41 (418805-02-4) inhibits ubiquitin activating enzyme E1 (>60% inhibition at 10 μM) with little or no activity against E2 or E3. Cell permeable

UsesPYR 41 is an irreversible and cell-permeable UBE1 inhibitor.

Additional notes · 1 item

DefinitionChEBI: PYR-41 is an ethyl ester resulting from the formal condensation of the carboxy group of 4-{4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl}benzoic acid with ethanol. It is an irreversible and cell-permeable inhibitor of ubiquitin-activating enzyme E1. It has a role as an EC 6.2.1.45 (E1 ubiquitin-activating enzyme) inhibitor and an antineoplastic agent. It is an ethyl ester, a member of furans, a C-nitro compound, a member of pyrazolidines and a benzoate ester.

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Database identifiers

CAS
418805-02-4
PubChem CID
2856906
77 · NA.77
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302-H317
Precautionary statements
280 · P280-P301+P312+P330-P302+P352
Hazard Codes
Xn
Risk Statements
22 · 22-43
Safety Statements
36 · 36/37
WGK Germany
3 · 3
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
4 OralSkin · Acute Tox. 4 OralSkin Sens. 1