A 127722
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Hodoodo CAT#: H584447

CAS#: 195704-72-4

Description: A 127722 is highly potent and a selective ETA endothelin receptor antagonist (IC50 values are 0.11 nM and 98 nM for human ETA and ETB receptors, respectively)that attenuates hypoxia-induced pulmonary hypertension in rats.

Chemical Structure

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A 127722
CAS# 195704-72-4
Instruction

Theoretical Analysis

Hodoodo Cat#: H584447
Name: A 127722
CAS#: 195704-72-4
Chemical Formula: C29H38N2O6
Exact Mass: 510.27
Molecular Weight: 510.631
Elemental Analysis: C, 68.21; H, 7.50; N, 5.49; O, 18.80

Price and Availability

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10mg USD 380 2 Weeks
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Synonym: A 127722; A127722; A-127722

IUPAC/Chemical Name: rel-(2R,3R,4S)-4-(1,3-Benzodioxol-5-yl)-1-[2-(dibutylamino)-2-oxoethyl]-2-(4-methoxyphenyl)-3-pyrrolidinecarboxylic acid

InChi Key: MOTJMGVDPWRKOC-QPVYNBJUSA-N

InChi Code: InChI=1S/C29H38N2O6/c1-4-6-14-30(15-7-5-2)26(32)18-31-17-23(21-10-13-24-25(16-21)37-19-36-24)27(29(33)34)28(31)20-8-11-22(35-3)12-9-20/h8-13,16,23,27-28H,4-7,14-15,17-19H2,1-3H3,(H,33,34)/t23-,27-,28+/m1/s1

SMILES Code: O=C([C@H]1[C@H](C2=CC=C(OC)C=C2)N(CC(N(CCCC)CCCC)=O)C[C@@H]1C3=CC=C(OCO4)C4=C3)O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 510.63 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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Winn et al (1996) 2,4-Diarylpyrrolidine-3-carboxylic acids--potent ETA selective endothelin receptor antagonists. 1. Discovery of A-127722. J.Med.Chem. 39 1039 PMID: 8676339

Opgenoth et al (1996) Pharmacological characterization of A-127722: an orally active and highly potent ETA-selective receptor antagonist. J.Pharmacol.Exp.Ther. 276 473 PMID: 8632312

Chen et al (1997) The orally active nonpeptide endothelin A-receptor antagonist A-127722 prevents and reverses hypoxia-induced pulmonary hypertension and pulmonary vascular remodeling in Sprague-Dawley rats. J.Cardiovasc.Pharmacol 29 713 PMID: 9234651