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3,22-Dihydroxyolean-12-en-29-oic acid

CAS# 808769-54-2

3,22-Dihydroxyolean-12-en-29-oic acid

Catalog No. BCN1347----Order now to get a substantial discount!

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3,22-Dihydroxyolean-12-en-29-oic acid: 5mg $989 In Stock
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Chemical structure

3,22-Dihydroxyolean-12-en-29-oic acid

3D structure

Chemical Properties of 3,22-Dihydroxyolean-12-en-29-oic acid

Cas No. 808769-54-2 SDF Download SDF
PubChem ID 71307339 Appearance Powder
Formula C30H48O4 M.Wt 472.7
Type of Compound Triterpenoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (4aR,6aR,6aS,6bR,12aR,14bR)-4,10-dihydroxy-2,4a,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-2-carboxylic acid
SMILES CC1(C2CCC3(C(C2(CCC1O)C)CC=C4C3(CCC5(C4CC(CC5O)(C)C(=O)O)C)C)C)C
Standard InChIKey JTBGJQZJEYVBJZ-YUBSFGCBSA-N
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of 3,22-Dihydroxyolean-12-en-29-oic acid

The herbs of Tripterygium wilfordii Hook. f.

Protocol of 3,22-Dihydroxyolean-12-en-29-oic acid

Structure Identification
Journal of Natural Products, 2003, 66(4):554-557.

A novel NO-production-inhibiting triterpene and cytotoxicity of known alkaloids from Euonymus laxiflorus.[Reference: WebLink]


METHODS AND RESULTS:
A new triterpene, laxifolone A (1), four known sesquiterpene alkaloids, ebenifoline E-II (2), carigorinine E (3), euojaponine C (4), and emarginatine E (5), and six triterpenoids, 3-hydroxyolean-12-en-22,29-gamma-lactone, 3,11-dioxo-beta-amyrene, 3beta,22alpha-dihydroxyolean-12-en-29-oic acid(3,22-Dihydroxyolean-12-en-29-oic acid), 28,29-dihydroxyfriedelan-3-one, 29-hydroxy-3-oxo-D:A-friedooleanan-28-oic acid, and putranjivadione, were isolated from the stems and leaves of Euonymus laxiflorus. Structural elucidations of these compounds were established by spectral analysis.
CONCLUSIONS:
Compound 1 displayed significant nitric oxide (NO) inhibitory effect.

3,22-Dihydroxyolean-12-en-29-oic acid Dilution Calculator

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3,22-Dihydroxyolean-12-en-29-oic acid Molarity Calculator

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Preparing Stock Solutions of 3,22-Dihydroxyolean-12-en-29-oic acid

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1155 mL 10.5775 mL 21.1551 mL 42.3101 mL 52.8877 mL
5 mM 0.4231 mL 2.1155 mL 4.231 mL 8.462 mL 10.5775 mL
10 mM 0.2116 mL 1.0578 mL 2.1155 mL 4.231 mL 5.2888 mL
50 mM 0.0423 mL 0.2116 mL 0.4231 mL 0.8462 mL 1.0578 mL
100 mM 0.0212 mL 0.1058 mL 0.2116 mL 0.4231 mL 0.5289 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on 3,22-Dihydroxyolean-12-en-29-oic acid

Body weight affects omega-3 polyunsaturated fatty acid (PUFA) accumulation in youth following supplementation in post-hoc analyses of a randomized controlled trial.[Pubmed:28379964]

PLoS One. 2017 Apr 5;12(4):e0173087.

Guidelines for suggested intake of omega-3 polyunsaturated fatty acids (PUFAs) are limited in youth and rely primarily on age. However, body weight varies considerably within age classifications. The current analyses examined effects of body weight and body mass index (BMI) on fatty acid accumulation in 64 youth (7-14 years) with a diagnosed mood disorder in a double-blind randomized-controlled trial (2000mg omega-3 supplements or a control capsule) across 12 weeks. Weight and height were measured at the first study visit and EPA and DHA levels were determined using fasting blood samples obtained at both the first and end-of-study visits. In the omega-3 supplementation group, higher baseline body weight predicted less plasma accumulation of both EPA [B = -0.047, (95% CI = -0.077; -0.017), beta = -0.54, p = 0.003] and DHA [B = -0.02, (95% CI = -0.034; -0.007), beta = -0.52, p = 0.004]. Similarly, higher BMI percentile as well as BMI category (underweight, normal weight, overweight/obese) predicted less accumulation of EPA and DHA (ps

Sorafenib and 2,3,5-triiodobenzoic acid-loaded imageable microspheres for transarterial embolization of a liver tumor.[Pubmed:28373713]

Sci Rep. 2017 Apr 3;7(1):554.

Sorafenib (SOF; an angiogenesis inhibitor) and 2,3,5-triiodobenzoic acid (TIBA; a contrast agent for computed tomography imaging)-loaded poly(lactic-co-glycolic acid) (PLGA) microspheres (MSs) were fabricated. Embolization, drug delivery, and tracing the distribution of MSs for liver cancer therapy were accomplished with the developed MSs after their intra-arterial (IA) administration. SOF/TIBA/PLGA MSs with 24.8-28.5 microm mean diameters were prepared, and the sustained release of SOF from MSs was observed. Lower systemic exposure (represented as the area under the curve [AUC]) and maximum drug concentration in plasma (Cmax) values of the SOF/TIBA/PLGA MSs group (IA administration, 1 mg/kg) in the results of the pharmacokinetic study imply alleviated unwanted systemic effects (e.g., hand and foot syndrome), compared to the SOF solution group (oral administration, 10 mg/kg). In a rat hepatoma model, the increase of microvessel density (MVD) following arterial embolization (i.e., reactive angiogenesis) was partially limited by SOF/TIBA/PLGA MSs. This resulted in the SOF/TIBA/PLGA MSs group (IA administration, single dosing, 1 mg/kg) showing a smaller tumor size increase and viable tumor portion compared to the TIBA/PLGA MSs group. These findings suggest that a developed SOF/TIBA/PLGA MS can be a promising therapeutic system for liver cancer using a transarterial embolization strategy.

Randomized, Prospective Double-Blinded Study Comparing 3 Different Doses of 5-Aminolevulinic Acid for Fluorescence-Guided Resections of Malignant Gliomas.[Pubmed:28379547]

Neurosurgery. 2017 Aug 1;81(2):230-239.

BACKGROUND: Five-aminolevulinic acid (5-ALA) is used for fluorescence-guided resections of malignant glioma at a dose of 20 mg/kg; yet, it is unknown whether lower doses may also provide efficacy. OBJECTIVE: To perform a double-blinded randomized study comparing 3 different doses of 5-ALA. METHODS: Twenty-one patients with suspected malignant glioma were randomly assigned to 0.2, 2, or 20 mg/kg 5-ALA. Investigators were unaware of dose. Intraoperatively, regions of interest were first defined in tumor core, margin, and adjacent white matter under white light. Under violet-blue illumination, the surgeon's impression of fluorescence was recorded per region, followed by spectrometry and biopsy. Plasma was collected after administration and analyzed for 5-ALA and protoporphyrin IX (PPIX) content. RESULTS: The positive predictive value of fluorescence was 100%. Visual and spectrometric fluorescence assessment showed 20 mg/kg to elicit the strongest fluorescence in tumor core and margins, which correlated with cell density. Spectrometric and visual fluorescence correlated significantly. A 10-fold increase in 5-ALA dose (2-20 mg/kg) resulted in a 4-fold increase of fluorescence contrast between marginal tumor and adjacent brain. t max for 5-ALA was 0.94 h for 20 mg/kg (0.2 kg: 0.50 h, 2 mg/kg: 0.61 h). Integrated PPIX plasma levels were 255.8 and 779.9 mcg*h/l (2 vs 20 mg/kg). Peak plasma concentrations were observed at 1.89 +/- 0.71 and 7.83 +/- 0.68 h (2 vs 20 mg/kg; average +/- Standard Error of Mean [SEM]). CONCLUSION: The highest visible and measurable fluorescence was yielded by 20 mg/kg. No fluorescence was elicited at 0.2 mg/kg. Increasing 5-ALA doses did not result in proportional increases in tissue fluorescence or PPIX accumulation in plasma, indicating that doses higher than 20 mg/kg will not elicit useful increases in fluorescence.

Controversial alkoxyl and peroxyl radical scavenging activity of the tryptophan metabolite 3-hydroxy-anthranilic acid.[Pubmed:28376401]

Biomed Pharmacother. 2017 Jun;90:332-338.

3-Hydroxy-anthranilic acid (3-OHAA), a tryptophan metabolite produced in the kynurenine pathway, is an efficient antioxidant towards peroxyl radicals (ROO) derived from the AAPH (2,2'-azobis(2-amidinopropane) dihydrochloride) thermolysis. However, self-reactions of ROO can give rise to alkoxyl radicals (RO), which could strongly affect the fate of scavenging reactions. In the present work, we studied the influence of RO in the scavenging activity of 3-OHAA in three different systems: i) Monitoring of the direct reaction between 3-OHAA and AAPH-derived free radicals (kinetic studies); ii) Evaluation of the protective effect of 3-OHAA on the AAPH-induced consumption of fluorescein; and, iii) Inhibition, given by 3-OHAA, of the AAPH-initiated lipid peroxidation of both, rat brain synaptosomes and homogenate preparations (assessed by chemiluminescence). For such purposes, the fraction of free radicals (f) trapped per 3-OHAA molecule was determined in each system. Kinetic results show that the oxidation of 3-OHAA follows a process dominated by ROO with a zero order kinetic limit in 3-OHAA, and a fraction (fri) equal to 0.88. From the induction times, elicited by 3-OHAA in the kinetic profiles of fluorescein consumption, a fraction (fT) of 0.28 was determined. 3-OHAA also generated induction times in the kinetic profiles of light emission during the AAPH-initiated lipid peroxidation of rat brain synaptosomes and homogenates. From such induction times, fractions of 0.61 and 0.63 were determined for rat brain synaptosomes (fsyn) and homogenates (fhom), respectively. These results show that during the incubation of 3-OHAA and AAPH, a low fraction of ROO self-reacts to generate RO. Nevertheless, when 3-OHAA is employed to protect particular targets, such as fluorescein, rat brain synaptosomes and homogenates, reactions of ROO and/or RO should be considered.

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