ChemicalBook > CAS DataBase List > PYR 41

PYR 41

Product Name
PYR 41
CAS No.
418805-02-4
Chemical Name
PYR 41
Synonyms
PYR 41;CS-1129;PYR 41, >=98%;PYR41; PYR-41;PYR 41 USP/EP/BP;Ethyl 4-(4-((5-nitrofuran-2-yl)methylene)-3,5-dioxopyrazolidin-1-yl)benzoate;ethyl 4-[(4Z)-4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate;4[4-(5-Nitro-furan-2-ylmethylene)-3,5-dioxo-pyrazolidin-1-yl]-benzoic acid ethyl ester;4-[4-[(5-Nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]benzoic acid ethyl ester;Benzoic acid, 4-[4-[(5-nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]-, ethyl ester
CBNumber
CB62535692
Molecular Formula
C17H13N3O7
Formula Weight
371.3
MOL File
418805-02-4.mol
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PYR 41 Property

Melting point:
228 - 235°C
Density 
1.486±0.06 g/cm3(Predicted)
storage temp. 
-20°C
solubility 
Soluble in DMSO at 5mg/ml with warming
form 
powder
pka
7.43±0.20(Predicted)
color 
red to brown
Sensitive 
Light Sensitive
Stability:
Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20° for up to 1 week.
InChIKey
ARGIPZKQJGFSGQ-LCYFTJDESA-N
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Safety

Hazard Codes 
Xn
Risk Statements 
22-43
Safety Statements 
36/37
WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
N2915
Product name
PYR-41
Purity
≥98% (HPLC), powder
Packaging
5mg
Price
$95.3
Updated
2024/03/01
Sigma-Aldrich
Product number
N2915
Product name
PYR-41
Purity
≥98% (HPLC), powder
Packaging
25mg
Price
$304
Updated
2024/03/01
Alfa Aesar
Product number
J65388
Product name
Ubiquitin E1 Inhibitor
Purity
PYR-41
Packaging
25mg
Price
$227
Updated
2023/06/20
Alfa Aesar
Product number
J65388
Product name
Ubiquitin E1 Inhibitor
Purity
PYR-41
Packaging
100mg
Price
$658
Updated
2023/06/20
Cayman Chemical
Product number
15226
Product name
PYR41
Purity
≥95%
Packaging
1mg
Price
$26
Updated
2024/03/01
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PYR 41 Chemical Properties,Usage,Production

Description

Pyr41 (418805-02-4) inhibits ubiquitin activating enzyme E1 (>60% inhibition at 10 μM) with little or no activity against E2 or E3. Cell permeable

Uses

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

Definition

ChEBI: 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.

Biochem/physiol Actions

PYR-41 is a cell permeable inhibitor of Ubiquitin activating enzyme (E1) with little or no activity against E3, E2, or caspase enzymatic activity.

in vitro

in addition to blocking ubiquitylation, pyr-41 was found to increase total sumoylation in cells. pyr-41 could attenuate cytokine-mediated nuclear factor-kbactivation. this correlated with inhibition of nonproteasomal ubiquitylation of traf6, which is important to ikbkinase activation. pyr-41 also prevented the downstream ubiquitylation and proteasomal degradation of ikba. moreover, pyr-41 has demonstrated effective uae e1 inhibition as well as some off-target inhibition of the other ubiquitin regulatory enzymes and signal-transducing proteins, suggesting it is a nonspecific inhibitor [1].

storage

Store at -20°C

References

1) Yang et al. (2007), Inhibitors of Ubiquitin-Activating Enzyme (E1), a New Class of Potential Cancer Therapeutics; Cancer Res., 67 9472 2) Mi et al. (2009), Cancer Preventive isothiocyanates induce selective degradation of cellular alpha- and beta-tubulins by proteasomes; J. Biol. Chem., 284 17039 3) Maehama et al. (2014), Nucleolar Stress Induces Ubiquitination-independent Proteasomal Degradation of PICT1 Protein PYR41; J. Biol. Chem., 289 20802 [Focus Citation]

PYR 41 Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from PYR 41 manufacturers

Career Henan Chemical Co
Product
PYR 41 418805-02-4
Price
US $1.00/g
Min. Order
1g
Purity
99%
Supply Ability
200kg
Release date
2019-12-25

418805-02-4, PYR 41Related Search:

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  • PYR 41
  • 4-[4-[(5-Nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]benzoic acid ethyl ester
  • Benzoic acid, 4-[4-[(5-nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]-, ethyl ester
  • 4-[4-[(5-Nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]benzoic acid ethyl ester PYR 41
  • PYR 41 4-[4-[(5-Nitro-2-furanyl)methylene]-3,5-dioxo-1-pyrazolidinyl]benzoic acid ethyl ester
  • 4[4-(5-Nitro-furan-2-ylmethylene)-3,5-dioxo-pyrazolidin-1-yl]-benzoic acid ethyl ester
  • PYR 41, >=98%
  • CS-1129
  • PYR41; PYR-41
  • PYR 41 USP/EP/BP
  • ethyl 4-[(4Z)-4-[(5-nitrofuran-2-yl)methylidene]-3,5-dioxopyrazolidin-1-yl]benzoate
  • Ethyl 4-(4-((5-nitrofuran-2-yl)methylene)-3,5-dioxopyrazolidin-1-yl)benzoate
  • E3 ligating enzyme,E1 activating enzyme,E1/E2/E3 Enzyme,Inhibitor,PYR-41,Ubiquitin conjugating enzyme,Apoptosis,E2 conjugating enzyme,Ubiquitin activating enzyme,Ubiquitin ligase,inhibit
  • 418805-02-4
  • Inhibitors