SML1949
Synta66
≥98% (HPLC)
Synonym(s):
4-Pyridinecarboxamide, N-(2′,5′-dimethoxy[1,1′-biphenyl]-4-yl)-3-fluoro-, GSK1349571A, N-(2′,5′-Dimethoxy[1,1′-biphenyl]-4-yl)-3-fluoro-4-pyridinecarboxamide, S66, Synta 66, Synta-66
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About This Item
Empirical Formula (Hill Notation):
C20H17FN2O3
CAS Number:
Molecular Weight:
352.36
UNSPSC Code:
12352200
NACRES:
NA.77
Pricing and availability is not currently available.
Quality Level
Assay
≥98% (HPLC)
form
powder
color
white to beige
solubility
DMSO: 20 mg/mL, clear
storage temp.
2-8°C
SMILES string
O=C(NC1=CC=C(C2=C(OC)C=CC(OC)=C2)C=C1)C3=CC=NC=C3F
InChI key
GFEIWXNLDKUWIK-UHFFFAOYSA-N
Application
Synta66 has been used:
- as a Ca2+ release-activated calcium (CRAC) channel inhibitor to study its effects on ORAI isoforms[1]
- as an ORAI1 blocker to study its effects on the entry of Ca2+ in chronic lymphocytic leukemia (CLL) B cells[2]
- as a CRAC blocker to study its effects on the influx of Ca2+ by store-operated Ca2+ entry (SOCE) in enamel cells[3]
Biochem/physiol Actions
A selective SOCE inhibitor that blocks CRAC current (ICRAC) without significant off-target potency or affinity.
Synta66 (S66) is a CRAC (Ca2+ release-activated Ca2+) channel inhibitor that blocks SOCE (store-operated Ca2+ entry) upon Ca2+ depletion from intracellular stores by thapsigargin in human vascular smooth muscle cells (VSMCs) with high potency (IC50 = 26 nM & 43 nM based on maximum Ca2+ level & rate of increase, respectly). Synta66 exhibits no affinity toward a range of receptors and ion channels (e.g. L-type Ca2+ channel) and does not affect TRPC1/5-mediated SOCE or store-operated non-selective cationic current. Leukocytes are reported to be less sensitive to CRAC inhibition by Synta66 (IC50 = 1.76 μM/HL-60, 1 ?M/Jurkat, 1.4 μM/rat RBL).
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Antonio Di Sabatino et al.
Journal of immunology (Baltimore, Md. : 1950), 183(5), 3454-3462 (2009-08-04)
Prolonged Ca(2+) entry through Ca(2+) release-activated Ca(2+) (CRAC) channels is crucial in activating the Ca(2+)-sensitive transcription factor NFAT, which is responsible for directing T cell proliferation and cytokine gene expression. To establish whether targeting CRAC might counteract intestinal inflammation, we
Marjolaine Debant et al.
Journal for immunotherapy of cancer, 7(1), 111-111 (2019-04-25)
Dysregulation in calcium (Ca2+) signaling is a hallmark of chronic lymphocytic leukemia (CLL). While the role of the B cell receptor (BCR) Ca2+ pathway has been associated with disease progression, the importance of the newly described constitutive Ca2+ entry (CE)
Jing Li et al.
British journal of pharmacology, 164(2), 382-393 (2011-05-07)
The aim was to advance the understanding of Orai proteins and identify a specific inhibitor of the associated calcium entry mechanism in vascular smooth muscle cells (VSMCs). Proliferating VSMCs were cultured from human saphenous veins. Intracellular calcium was measured using
Xuexin Zhang et al.
Cell calcium, 91, 102281-102281 (2020-09-09)
The ubiquitous Ca2+ release-activated Ca2+ (CRAC) channel is crucial to many physiological functions. Both gain and loss of CRAC function is linked to disease. While ORAI1 is a crucial subunit of CRAC channels, recent evidence suggests that ORAI2 and ORAI3
Guilherme H Souza Bomfim et al.
Cell calcium, 87, 102187-102187 (2020-03-09)
Calcium (Ca2+) release-activated Ca2+ (CRAC) channels mediated by STIM1/2 and ORAI (ORAI1-3) proteins form the dominant store-operated Ca2+ entry (SOCE) pathway in a wide variety of cells. Among these, the enamel-forming cells known as ameloblasts rely on CRAC channel function
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