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CAS No. :	32507-66-7
Formula :	C₁₅H₁₄O₄
M.W :	258.27
SMILES Code :	OC1=CC(/C=C/C2=CC=C(O)C(OC)=C2)=CC(O)=C1
Synonyms :	ISOR
MDL No. :	MFCD12407151
InChI Key :	ANNNBEZJTNCXHY-NSCUHMNNSA-N
Pubchem ID :	5318650

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319
Precautionary Statements:	P305+P351+P338

Patient-derived glioblastoma spheres JX6	20 μM	24 hours	To evaluate the inhibitory effect of ISO on anchorage-independent growth in JX6 cells. Results showed that ISO significantly inhibited growth in JX6 cells.	Neuro Oncol. 2016 Jun;18(6):830-9
Patient-derived glioblastoma spheres D456	20 μM	24 hours	To evaluate the inhibitory effect of ISO on anchorage-independent growth and induction of G0-G1 cell cycle arrest in D456 cells. Results showed that ISO significantly inhibited growth and induced G0-G1 arrest in D456 cells.	Neuro Oncol. 2016 Jun;18(6):830-9
human cervical cancer HeLa cells	2.5-10 μM	24 hours	Induced autophagy and inhibited anchorage-independent growth	Autophagy. 2016 Aug 2;12(8):1229-39
human bladder cancer T24T cells	2.5-10 μM	24 hours	Induced autophagy and inhibited anchorage-independent growth	Autophagy. 2016 Aug 2;12(8):1229-39
human bladder cancer UMUC3 cells	2.5-10 μM	24 hours	Induced autophagy and inhibited anchorage-independent growth	Autophagy. 2016 Aug 2;12(8):1229-39
Neonatal rat cardiomyocytes (NRCMs)	1-40 μmol/L	12 hours	Isor effectively alleviated Dox-induced cardiomyocyte apoptosis in a dose-dependent manner.	Acta Pharm Sin B. 2021 Mar;11(3):680-693
Primary human airway epithelial cells	1-100 μM	1 hour	To evaluate the inhibitory effects of isorhapontigenin on IL-6 and CXCL8 release, results showed that isorhapontigenin concentration-dependently inhibited IL-6 and CXCL8 release, with IC50 values at least twofold lower than those of resveratrol.	Br J Pharmacol. 2017 Jul;174(13):2043-2059
A549 cells	1-100 μM	1 hour	To evaluate the inhibitory effects of isorhapontigenin on IL-6 and CXCL8 release, results showed that isorhapontigenin concentration-dependently inhibited IL-6 and CXCL8 release, with IC50 values at least twofold lower than those of resveratrol.	Br J Pharmacol. 2017 Jul;174(13):2043-2059
UMUC3 cells	10 μM	24 hours	ISO treatment upregulated RAC1 protein translation and MKK7/JNK phosphorylation/activation, thereby promoting autophagic responses and inhibiting bladder cancer cell invasion.	Cell Death Dis. 2022 Aug 31;13(8):753
T24T cells	20 μM	24 hours	ISO inhibits invasion of bladder cancer cells by upregulating METTL14	Cancer Lett. 2021 Nov 1;520:400-408
U5637 cells	20 μM	24 hours	ISO inhibits invasion of bladder cancer cells by upregulating METTL14	Cancer Lett. 2021 Nov 1;520:400-408
UMUC3 cells	5 μM	12 hours	ISO treatment increased miR-137 expression and specifically inhibited the invasion ability of UMUC3 cells	Mol Ther Nucleic Acids. 2018 Sep 7;12:337-349
T24T cells	10 μM	12 hours	ISO treatment increased miR-137 expression and specifically inhibited the invasion ability of T24T cells	Mol Ther Nucleic Acids. 2018 Sep 7;12:337-349
SH-SY5Y cells	1, 5, 10, and 20 μM	24 hours	To evaluate the neuroprotective effects of isorhapontigenin against Aβ peptide (25-35)-induced cell death. Results showed that pre-treatment with isorhapontigenin for 24 hours significantly elevated cell viabilities and produced significant differences as compared to the control (p < 0.05, 0.01, 0.001**).	Antioxidants (Basel). 2023 Jun 29;12(7):1362
T24T bladder cancer cells	20 μM	12 hours	ISO significantly inhibited sphere formation and invasivity of T24T cells by down-regulating CD44 protein expression	Cell Mol Life Sci. 2020 Jan;77(2):351-363
Cl41 cells	5 μM	24 hours	To study the effect of ISO on Cyclin D1 expression in normal Cl41 cells, results showed that ISO had minimal effect on Cyclin D1 expression.	Mol Cancer Ther. 2013 Aug;12(8):1492-503
RT4 cells	5 μM	24 hours	To study the effect of ISO on Cyclin D1 expression in RT4 cells, results showed that ISO slightly inhibited Cyclin D1 expression.	Mol Cancer Ther. 2013 Aug;12(8):1492-503
RT112 cells	5 μM	24 hours	To study the effect of ISO on Cyclin D1 expression in RT112 cells, results showed that ISO significantly inhibited Cyclin D1 expression.	Mol Cancer Ther. 2013 Aug;12(8):1492-503
UMUC3 cells	5-60 μM	48 hours	To evaluate the inhibitory effect of ISO on the proliferation of human bladder cancer cells, results showed that ISO significantly reduced the viability of UMUC3 and RT4 cells in a concentration-dependent manner.	Mol Cancer Ther. 2013 Aug;12(8):1492-503

Nude mice	Xenograft model with human bladder cancer T24T cells		150 mg/kg/d	Once daily, duration	Markedly inhibited xenograft tumor growth	Autophagy. 2016 Aug 2;12(8):1229-39
C57BL/6 mice	Dox-induced cardiotoxicity model	Intraperitoneal injection	30 mg/kg/day	Once daily for 3 weeks	Isor significantly protected mice against Dox-induced cardiotoxicity and improved cardiac function.	Acta Pharm Sin B. 2021 Mar;11(3):680-693
Sprague-Dawley rats		Intravenous injection and oral	30 μmol/kg (i.v.) and 600 μmol/kg (p.o.)	Single dose	To evaluate the pharmacokinetic profile of isorhapontigenin, results showed that its oral bioavailability was approximately 50% higher than resveratrol.	Br J Pharmacol. 2017 Jul;174(13):2043-2059
Mice	BBN-induced muscle-invasive bladder cancer model		150 mg/kg/day	Daily administration	ISO significantly inhibited BBN-induced muscle-invasive bladder cancer formation in mice, with an inhibition rate of over 90%.	Cell Death Dis. 2022 Aug 31;13(8):753
Wistar male mice		Gastric gavage	150 mg/kg	Single dose, observation time points included 0.033h, 0.083h, 0.17h, 0.25h, 0.5h, 0.75h, 1h, 1.5h, 2h and 4h	To study the pharmacokinetics of ISO in mice, results showed that the maximum observed concentration (Cmax) of ISO in mouse serum was 12.35 μg/ml (47.9 μM), reached at 0.17 h (10 min).	Mol Cancer Ther. 2013 Aug;12(8):1492-503

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CAS No.: 32507-66-7

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CAS No.: 32507-66-7

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Product Details of Isorhapontigenin

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Precautionary Statements-General

Prevention

Response

Storage

Disposal

Physical hazards

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Preparing Stock Solutions		1mg	5mg	10mg
Preparing Stock Solutions	1 mM 5 mM 10 mM	3.87mL 0.77mL 0.39mL	19.36mL 3.87mL 1.94mL	38.72mL 7.74mL 3.87mL
Dissolving Methods	Animal experiment Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn: in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day; The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound. Protocol 1 Protocol 2

Precautionary Statements-General
Code	Phrase
P101	If medical advice is needed,have product container or label at hand.
P102	Keep out of reach of children.
P103	Read label before use
Prevention
Code	Phrase
P201	Obtain special instructions before use.
P202	Do not handle until all safety precautions have been read and understood.
P210	Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P211	Do not spray on an open flame or other ignition source.
P220	Keep/Store away from clothing/combustible materials.
P221	Take any precaution to avoid mixing with combustibles
P222	Do not allow contact with air.
P223	Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P230	Keep wetted
P231	Handle under inert gas.
P232	Protect from moisture.
P233	Keep container tightly closed.
P234	Keep only in original container.
P235	Keep cool
P240	Ground/bond container and receiving equipment.
P241	Use explosion-proof electrical/ventilating/lighting/equipment.
P242	Use only non-sparking tools.
P243	Take precautionary measures against static discharge.
P244	Keep reduction valves free from grease and oil.
P250	Do not subject to grinding/shock/friction.
P251	Pressurized container: Do not pierce or burn, even after use.
P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P262	Do not get in eyes, on skin, or on clothing.
P263	Avoid contact during pregnancy/while nursing.
P264	Wash hands thoroughly after handling.
P265	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P272	Contaminated work clothing should not be allowed out of the workplace.
P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P281	Use personal protective equipment as required.
P282	Wear cold insulating gloves/face shield/eye protection.
P283	Wear fire/flame resistant/retardant clothing.
P284	Wear respiratory protection.
P285	In case of inadequate ventilation wear respiratory protection.
P231 + P232	Handle under inert gas. Protect from moisture.
P235 + P410	Keep cool. Protect from sunlight.
Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
P305	IF IN EYES:
P306	IF ON CLOTHING:
P307	IF exposed:
P308	IF exposed or concerned:
P309	IF exposed or if you feel unwell:
P310	Immediately call a POISON CENTER or doctor/physician.
P311	Call a POISON CENTER or doctor/physician.
P312	Call a POISON CENTER or doctor/physician if you feel unwell.
P313	Get medical advice/attention.
P314	Get medical advice/attention if you feel unwell.
P315	Get immediate medical advice/attention.
P320
P302 + P352	IF ON SKIN: wash with plenty of soap and water.
P321
P322
P330	Rinse mouth.
P331	Do NOT induce vomiting.
P332	IF SKIN irritation occurs:
P333	If skin irritation or rash occurs:
P334	Immerse in cool water/wrap n wet bandages.
P335	Brush off loose particles from skin.
P336	Thaw frosted parts with lukewarm water. Do not rub affected area.
P337	If eye irritation persists:
P338	Remove contact lenses, if present and easy to do. Continue rinsing.
P340	Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P341	If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342	If experiencing respiratory symptoms:
P350	Gently wash with plenty of soap and water.
P351	Rinse cautiously with water for several minutes.
P352	Wash with plenty of soap and water.
P353	Rinse skin with water/shower.
P360	Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P361	Remove/Take off immediately all contaminated clothing.
P362	Take off contaminated clothing and wash before reuse.
P363	Wash contaminated clothing before reuse.
P370	In case of fire:
P371	In case of major fire and large quantities:
P372	Explosion risk in case of fire.
P373	DO NOT fight fire when fire reaches explosives.
P374	Fight fire with normal precautions from a reasonable distance.
P376	Stop leak if safe to do so. Oxidising gases (section 2.4) 1
P377	Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P378
P380	Evacuate area.
P381	Eliminate all ignition sources if safe to do so.
P390	Absorb spillage to prevent material damage.
P391	Collect spillage. Hazardous to the aquatic environment
P301 + P310	IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301 + P330 + P331	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P302 + P350	IF ON SKIN: Gently wash with plenty of soap and water.
P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304 + P312	IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P304 + P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 + P341	IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P306 + P360	IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes.
P307 + P311	IF exposed: call a POISON CENTER or doctor/physician.
P308 + P313	IF exposed or concerned: Get medical advice/attention.
P309 + P311	IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician.
P332 + P313	IF SKIN irritation occurs: Get medical advice/attention.
P333 + P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P335 + P334	Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P337 + P313	IF eye irritation persists: Get medical advice/attention.
P342 + P311	IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P370 + P376	In case of fire: Stop leak if safe to Do so.
P370 + P378	In case of fire:
P370 + P380	In case of fire: Evacuate area.
P370 + P380 + P375	In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P371 + P380 + P375	In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
Storage
Code	Phrase
P401
P402	Store in a dry place.
P403	Store in a well-ventilated place.
P404	Store in a closed container.
P405	Store locked up.
P406	Store in corrosive resistant/ container with a resistant inner liner.
P407	Maintain air gap between stacks/pallets.
P410	Protect from sunlight.
P411
P412	Do not expose to temperatures exceeding 50 oC/ 122 oF.
P413
P420	Store away from other materials.
P422
P402 + P404	Store in a dry place. Store in a closed container.
P403 + P233	Store in a well-ventilated place. Keep container tightly closed.
P403 + P235	Store in a well-ventilated place. Keep cool.
P410 + P403	Protect from sunlight. Store in a well-ventilated place.
P410 + P412	Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF.
P411 + P235	Keep cool.
Disposal
Code	Phrase
P501	Dispose of contents/container to ...
P502	Refer to manufacturer/supplier for information on recovery/recycling

Physical hazards
Code	Phrase
H200	Unstable explosive
H201	Explosive; mass explosion hazard
H202	Explosive; severe projection hazard
H203	Explosive; fire, blast or projection hazard
H204	Fire or projection hazard
H205	May mass explode in fire
H220	Extremely flammable gas
H221	Flammable gas
H222	Extremely flammable aerosol
H223	Flammable aerosol
H224	Extremely flammable liquid and vapour
H225	Highly flammable liquid and vapour
H226	Flammable liquid and vapour
H227	Combustible liquid
H228	Flammable solid
H229	Pressurized container: may burst if heated
H230	May react explosively even in the absence of air
H231	May react explosively even in the absence of air at elevated pressure and/or temperature
H240	Heating may cause an explosion
H241	Heating may cause a fire or explosion
H242	Heating may cause a fire
H250	Catches fire spontaneously if exposed to air
H251	Self-heating; may catch fire
H252	Self-heating in large quantities; may catch fire
H260	In contact with water releases flammable gases which may ignite spontaneously
H261	In contact with water releases flammable gas
H270	May cause or intensify fire; oxidizer
H271	May cause fire or explosion; strong oxidizer
H272	May intensify fire; oxidizer
H280	Contains gas under pressure; may explode if heated
H281	Contains refrigerated gas; may cause cryogenic burns or injury
H290	May be corrosive to metals
Health hazards
Code	Phrase
H300	Fatal if swallowed
H301	Toxic if swallowed
H302	Harmful if swallowed
H303	May be harmful if swallowed