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SML3531

Sigma-Aldrich

UPF-648

≥98% (HPLC)

Synonym(s):

(1S,2S)-2-(3,4-Dichlorobenzoyl)cyclopropanecarboxylic acid, (1S,2S)-2-[(3,4-Dichlorophenyl)carbonyl]cyclopropane-1-carboxylic acid, DBCC, UPF 648, UPF648

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About This Item

Empirical Formula (Hill Notation):
C11H8Cl2O3
CAS Number:
Molecular Weight:
259.09
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
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Quality Level

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

SMILES string

O=C(O)[C@@H]1[C@H](C1)C(C2=CC=C(C(Cl)=C2)Cl)=O

InChI

1S/C11H8Cl2O3/c12-8-2-1-5(3-9(8)13)10(14)6-4-7(6)11(15)16/h1-3,6-7H,4H2,(H,15,16)/t6-,7-/m0/s1

InChI key

ZBRKMOHDGFGXLN-BQBZGAKWSA-N

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This Item
SML3706SML3136U111
UPF-648 ≥98% (HPLC)

SML3531

UPF-648

BT2 ≥98% (HPLC)

SML3706

BT2

assay

≥98% (HPLC)

assay

≥98% (HPLC)

assay

≥95% (HPLC)

assay

≥98% (HPLC)

form

powder

form

powder

form

powder

form

solid

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

2-8°C

solubility

DMSO: 2 mg/mL, clear

solubility

DMSO: 2 mg/mL, clear

solubility

-

solubility

H2O: 13 mg/mL

color

white to beige

color

white to beige

color

white to beige

color

white

Biochem/physiol Actions

Potent, active site-targeting kynurenine 3-monooxygenase (KMO; kynurenine 3-hydroxylase) inhibitor that protects against neurodegeneration in vivo.
UPF-648 is a potent, active site-targeting kynurenine 3-monooxygenase (KMO; kynurenine 3-hydroxylase) inhibitor (IC50 = 20 nM) that prevents productive binding of the substrate L-kynurenine by perturbing the local active-site structure. UPF-648 protects against neurodegeneration in a murine (30 mg/kg, i.p.) and a Drosophila (100 μM in maize media) model of Huntington′s disease by shifting kynurenine pathway metabolism towards enhanced neuroprotective kynurenic acid (KYNA) formation and away from the free radicals generator 3-hydroxykynurenine (3-HK) and the excitotoxic quinolinic acid (QUIN).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Ellman's reagent: 5,5'-dithiobis(2-nitrobenzoic acid)--a reexamination.
P W Riddles et al.
Analytical biochemistry, 94(1), 75-81 (1979-04-01)
Christian K Riener et al.
Analytical and bioanalytical chemistry, 373(4-5), 266-276 (2002-07-12)
Since its introduction in 1959, Ellman's reagent (5,5'-dithio-bis(2-nitrobenzoic acid)) has been the favorite reagent for spectrophotometric measurement of protein sulfhydryls. Meanwhile however, evidence has accumulated that many protein sulfhydryls give an incomplete reaction with Ellman's reagent, even during prolonged assay
Reassessment of Ellman's reagent.
P W Riddles et al.
Methods in enzymology, 91, 49-60 (1983-01-01)
Baharan Emam et al.
Particle and fibre toxicology, 17(1), 8-8 (2020-01-31)
Epidemiological studies have reported associations between elevated air pollution and autism spectrum disorders (ASD). However, we hypothesized that exposure to air pollution that mimics real world scenarios, is a potential contributor to ASD. The exact etiology and molecular mechanisms underlying
Venkaiah Betapudi et al.
Science translational medicine, 12(527) (2020-01-24)
Chemical warfare nerve agents are organophosphorus chemical compounds that induce cholinergic crisis, leaving little or no time for medical intervention to prevent death. The current chemical treatment regimen may prevent death but does not prevent postexposure complications such as brain

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To measure chloramphenicol acetyltransferase activity, this procedure uses DTNB and coenzyme A. The reaction of DTNB with the –SH group on CoA results in a colorimetric increase at 412 nm.

This procedure applies to products that have a specification for the enzymatic activity of chloramphenicol acetyltransferase.

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