U-73343
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MedKoo CAT#: 510296

CAS#: 142878-12-4

Description: U-73343 is a negative control (or inactive analogue) of U73122, which is a putative phospholipase C inhibitor. U73343 was found to inhibit TxA2 formation; it therefore partially inhibited the rise in [Ca2+]i evoked by low concentrations of thrombin, by thapsigargin or by collagen. U73343 had a greater effect than aspirin on the action of collagen, indicating an action on the TxA2-independent component of the signal, via PLC gamma-U73343 lowered TxA2 production by inhibiting the activation of cPLA2, probably at a tyrosine phosphorylation step. U73343 seems to inhibit only the tyrosine kinases involved in the activation of PLC gamma and the generation of TxA2.


Price and Availability

Size
Price

25mg
USD 150
200mg
USD 850
2g
USD 5350
Size
Price

50mg
USD 250
500mg
USD 1750
Size
Price

100mg
USD 450
1g
USD 2950

U-73343, purity > 98%, is in stock. The same day shipping after order received.


Chemical Structure

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Theoretical Analysis

MedKoo Cat#: 510296
Name: U-73343
CAS#: 142878-12-4
Chemical Formula: C29H42N2O3
Exact Mass: 466.31954
Molecular Weight: 466.65
Elemental Analysis: C, 74.64; H, 9.07; N, 6.00; O, 10.29


Synonym: U73343, U-73343, U 73343

IUPAC/Chemical Name: 1-(6-(((8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl)amino)hexyl)pyrrolidine-2,5-dione

InChi Key: CJHWFIUASFBCKN-ZRJUGLEFSA-N

InChi Code: InChI=1S/C29H42N2O3/c1-29-16-15-23-22-10-8-21(34-2)19-20(22)7-9-24(23)25(29)11-12-26(29)30-17-5-3-4-6-18-31-27(32)13-14-28(31)33/h8,10,19,23-26,30H,3-7,9,11-18H2,1-2H3/t23-,24-,25+,26+,29+/m1/s1

SMILES Code: O=C(CC1)N(CCCCCCN[C@H]2CC[C@@]3([H])[C@]4([H])CCC5=CC(OC)=CC=C5[C@@]4([H])CC[C@]23C)C1=O


Technical Data

Appearance:
White to off-white solid powder

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

Certificate of Analysis:

Safety Data Sheet (MSDS):

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, not in water

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).

Harmonized System Code:
2934.99.90.01


References

1: Takenouchi T, Ogihara K, Sato M, Kitani H. Inhibitory effects of U73122 and U73343 on Ca2+ influx and pore formation induced by the activation of P2X7 nucleotide receptors in mouse microglial cell line. Biochim Biophys Acta. 2005 Nov 15;1726(2):177-86. Epub 2005 Aug 15. PubMed PMID: 16122875.

2: Bosch RR, Patel AM, Van Emst-de Vries SE, Smeets RL, De Pont JJ, Willems PH. U73122 and U73343 inhibit receptor-mediated phospholipase D activation downstream of phospholipase C in CHO cells. Eur J Pharmacol. 1998 Apr 10;346(2-3):345-51. PubMed PMID: 9652379.

3: Muto Y, Nagao T, Urushidani T. The putative phospholipase C inhibitor U73122 and its negative control, U73343, elicit unexpected effects on the rabbit parietal cell. J Pharmacol Exp Ther. 1997 Sep;282(3):1379-88. PubMed PMID: 9316850.

4: Heemskerk JW, Feijge MA, Sage SO, Farndale RW. Human platelet activation is inhibited upstream of the activation of phospholipase A2 by U73343. Biochem Pharmacol. 1997 May 9;53(9):1257-62. PubMed PMID: 9214686.

5: Heemskerk JW, Farndale RW, Sage SO. Effects of U73122 and U73343 on human platelet calcium signalling and protein tyrosine phosphorylation. Biochim Biophys Acta. 1997 Jan 10;1355(1):81-8. PubMed PMID: 9030204.