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Seco Rapamycin sodium salt (Secorapamycin A monosodium)

Catalog No.GC31678

Seco Rapamycin sodium salt (Secorapamycin A monosodium) is the ring-opened product of Rapamycin.

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Seco Rapamycin sodium salt (Secorapamycin A monosodium) Chemical Structure

Cas No.: 148554-65-8

Size Price Stock Qty
10mM (in 1mL DMSO)
$521.00
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5mg
$321.00
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10mg
$506.00
In stock
25mg
$1,103.00
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50mg
$1,930.00
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Sample solution is provided at 25 µL, 10mM.

Product Documents

Quality Control & SDS

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Protocol

Cell experiment:

To determine whether the Sirolimus metabolite M2 is formed from the degradation product Seco Rapamycin, duplicate Caco-2 cell cultures are dosed apically or basolaterally with 20 μM Seco Rapamycin and incubated for 4 h. To determine whether Seco Rapamycin is a substrate for P-gp, duplicate cultures are incubated with 0.5 μM LY335979 in the same manner for Sirolimus. For comparison, a parallel set of cultures is incubated similarly with 20 μM Sirolimus, but dosed apically only. M2 formation is also examined in human jejunal mucosal and liver homogenates and Caco-2 homogenates by incubating each preparation, in duplicate, with 20 μM Seco Rapamycin in the same manner for Sirolimus. For comparison, a parallel set of incubations containing 20 μM Sirolimus is also performed. To determine whether a high dose of Ketoconazole (100 μM) inhibits the formation of M2, parallel experiments with Caco-2 cells and the various homogenates are performed in a similar manner, only Ketoconazole (dissolved as a 100-fold concentration solution in ethanol) is included in the incubation medium/mixtures[1].

References:

[1]. Paine MF, et al. Identification of a novel route of extraction of sirolimus in human small intestine: roles ofmetabolism and secretion. J Pharmacol Exp Ther. 2002 Apr;301(1):174-86.

Background

Seco Rapamycin sodium salt is the ring-opened product of Rapamycin. Seco-rapamycin is reported not to affect the mTOR function.

Disposition of Seco Rapamycin in Human Tissue Homogenates and Caco-2 Cell Monolayers. To determine whether Seco Rapamycin (D2) can be metabolized to dihydro Sirolimus (M2), 20 μM Seco Rapamycin is incubated with human liver, jejunal mucosal, and Caco-2 homogenates. All of these homogenates produced M2 in an NADPH-dependent manner. Ketoconazole, at a high concentration (100 μM), has no effect on the formation of M2 in any of the homogenates examined. To determine whether Seco Rapamycin can be metabolized to M2 in intact cells, 20 μM Seco Rapamycin is added to Caco-2 cell monolayers. When applied to the apical compartment, little Seco Rapamycin is detected in the basolateral compartment and in the cellular fraction after 4 h. In addition, little M2 is detected. LY335979 has little effect on the distribution of Seco Rapamycin after an apical dose, although M2 became detectable in the apical compartment. In contrast, when Seco Rapamycin is applied to the basolateral compartment, both Seco Rapamycin and M2 are readily detected in the apical compartment; LY335679 decreases the flux of Seco Rapamycin to the apical compartment and increases the amount of M2 in both apical and basolateral compartments[1].

[1]. Paine MF, et al. Identification of a novel route of extraction of sirolimus in human small intestine: roles ofmetabolism and secretion. J Pharmacol Exp Ther. 2002 Apr;301(1):174-86.

Chemical Properties

Cas No. 148554-65-8 SDF
Canonical SMILES O=C([C@H]1N(C(C([C@@]2(O)[C@H](C)CC[C@@H](C[C@H](OC)/C(C)=C/C=C/C=C/[C@@H](C)C[C@@H](C)C([C@H](OC)[C@H](O)/C(C)=C/[C@@H](C)C(/C=C/[C@H](C)C[C@H]3C[C@@H](OC)[C@H](O)CC3)=O)=O)O2)=O)=O)CCCC1)[O-].[Na+]
Formula C51H78NNaO13 M.Wt 936.15
Solubility DMSO : ≥ 46 mg/mL (49.14 mM);Water : < 0.1 mg/mL (insoluble) Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table

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1 mg 5 mg 10 mg
1 mM 1.0682 mL 5.341 mL 10.682 mL
5 mM 0.2136 mL 1.0682 mL 2.1364 mL
10 mM 0.1068 mL 0.5341 mL 1.0682 mL
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.

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Average Rating: 5 ★★★★★ (Based on Reviews and 22 reference(s) in Google Scholar.)

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