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CAS No. :	902135-91-5
Formula :	C₁₆H₁₈Cl₃N₅O₂
M.W :	418.71
SMILES Code :	O=C(C1=NNC=C1NC(C2=C(Cl)C=CC=C2Cl)=O)NC3CCNCC3.[H]Cl
Synonyms :	AT7519 (hydrochloride); AT7519 Hydrochloride
MDL No. :	MFCD14636428
InChI Key :	PAOFPNGYBWGKCO-UHFFFAOYSA-N
Pubchem ID :	25033099

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319-H335
Precautionary Statements:	P261-P305+P351+P338

GBM60 cells	0.4 µM	48 h	AT7519 significantly inhibited the proliferation of GBM60 cells.	Cell Death Dis. 2023 Jan 9;14(1):11.
HEK 293T	1 μM		AT7519 specifically prevented NBDY phosphorylation at T40	J Am Chem Soc. 2021 Aug 18;143(32):12675-12687.
GBM38 cells	0.4 µM	48 h	AT7519 significantly inhibited the proliferation of GBM38 cells.	Cell Death Dis. 2023 Jan 9;14(1):11.
MM1.S cells	2 μM	6 h	To investigate the effect of AT7519 on RNA polymerase II elongation in MM1.S cells, results showed that AT7519 significantly reduced the level of elongating RNA polymerase II.	Nat Biotechnol. 2014 Jan;32(1):92-6.
bone marrow-derived eosinophils (bmEos)	1 µM	48 h	To evaluate the effect of AT7519 on the apoptosis of bone marrow-derived eosinophils, results showed that AT7519 increased eosinophil apoptosis.	Thorax. 2020 Jul;75(7):600-605.
airway eosinophils	1 µM	48 h	To evaluate the effect of AT7519 on the apoptosis of airway eosinophils, results showed that AT7519 increased eosinophil apoptosis.	Thorax. 2020 Jul;75(7):600-605.
GAK cells	4 µM	24 h	To evaluate the inhibitory effect of AT7519 on the proliferation of GAK cells, the results showed that AT7519 significantly inhibited the proliferation of GAK cells at concentrations higher than 4 µM.	J Transl Med. 2019 Jul 29;17(1):245.
HMV II cells	4 µM	24 h	To evaluate the inhibitory effect of AT7519 on the proliferation of HMV II cells, the results showed that AT7519 significantly inhibited the proliferation of HMV II cells at concentrations higher than 4 µM.	J Transl Med. 2019 Jul 29;17(1):245.
MYCN-amplified neuroblastoma cell lines	386 nM	72 h	To evaluate the killing effect of AT7519 on MYCN-amplified neuroblastoma cells, results showed that MYCN-amplified cells were more sensitive to AT7519	Clin Cancer Res. 2015 Nov 15;21(22):5100-9.
Non-MYCN-amplified neuroblastoma cell lines	1227 nM	72 h	To evaluate the killing effect of AT7519 on non-MYCN-amplified neuroblastoma cells, results showed that non-MYCN-amplified cells were less sensitive to AT7519	Clin Cancer Res. 2015 Nov 15;21(22):5100-9.
OSCC cells	1 µM	8 h	Inhibition of the CDK2-Rb signaling pathway, reducing the phosphorylation levels of CDK1/2/3 and Rb proteins	Mol Cancer. 2024 May 16;23(1):104.
MM.1S	0.5 μM	6, 12, 24 h	AT7519 induced cell cycle arrest and apoptosis, increasing the proportion of cells in G0/G1 and G2/M phases, and induced apoptosis starting from 12 h.	Oncogene. 2010 Apr 22;29(16):2325-36.
MM.1S	0.5 μM	1/2, 1, 2, 4, 6 h	AT7519 inhibited RNA polymerase II CTD phosphorylation and induced dephosphorylation of RNA polymerase II CTD within 1 h.	Oncogene. 2010 Apr 22;29(16):2325-36.
MM.1S	0.5 μM	4, 6, 24, 48 h	AT7519 inhibited RNA synthesis, with RNA synthesis levels at approximately 50% of control values after 48 h.	Oncogene. 2010 Apr 22;29(16):2325-36.
U87MG cells	0.4 µM	48 h	AT7519 significantly inhibited the proliferation of U87MG cells and induced cell cycle arrest at G1 and G2 phases.	Cell Death Dis. 2023 Jan 9;14(1):11.
U251 cells	0.4 µM	48 h	AT7519 significantly inhibited the proliferation of U251 cells and induced cell cycle arrest at G1 and G2 phases.	Cell Death Dis. 2023 Jan 9;14(1):11.
Human neutrophils	4 mg/ml		To detect CDKi-induced apoptosis, results showed that AT7519 significantly increased the proportion of apoptotic cells.	Nat Commun. 2020 Aug 12;11(1):4027.

Mice	OVA-induced allergic airway inflammation model	Intraperitoneal injection	30 mg/kg	Single dose, 24 hours duration	To evaluate the therapeutic effect of AT7519 on Mcl-1-overexpressing allergic airway inflammation, results showed that AT7519 significantly reduced BALF cellularity and eosinophils, and increased eosinophil apoptosis.	Thorax. 2020 Jul;75(7):600-605.
NOD/SCID mice	PDX model	Intraperitoneal injection	12 mg/kg	Once daily for 14 days	To evaluate the inhibitory effect of AT7519 on tumor growth in PDX models, the results showed that AT7519 significantly inhibited tumor growth in PDX models with CDK4 pathway abnormalities.	J Transl Med. 2019 Jul 29;17(1):245.
Mice	MYCN-amplified neuroblastoma xenograft model	Intraperitoneal injection	5, 10, 15 mg/kg	5 days on, 2 days off for 3 weeks	To evaluate the anti-tumor effect of AT7519 on MYCN-amplified neuroblastoma xenograft model, results showed that AT7519 significantly inhibited tumor growth	Clin Cancer Res. 2015 Nov 15;21(22):5100-9.
BALB/c nude mice	OSCC xenograft model	Intraperitoneal injection	15 mg/kg	Once daily for 7 or 14 days	Inhibition of the CDK2-Rb signaling pathway, reducing tumor growth, with enhanced efficacy when combined with PI3K inhibitors	Mol Cancer. 2024 May 16;23(1):104.
Mice	Human MM xenograft mouse model	Intraperitoneal injection	15 mg/kg	Once daily for five days for 2 weeks or three times a week for four consecutive weeks	AT7519 inhibited tumor growth, prolonged survival, and did not affect.	Oncogene. 2010 Apr 22;29(16):2325-36.
Nude mice	Subcutaneous xenograft model	Intraperitoneal injection	20 mg/kg	Once daily for 3 weeks	AT7519 significantly reduced the volume and weight of subcutaneous xenograft tumors without significantly affecting the of nude mice.	Cell Death Dis. 2023 Jan 9;14(1):11.
Mice	Acute lung injury model	Intraperitoneal injection	30 mg/kg	Single dose	To evaluate the anti-inflammatory and pro-apoptotic effects of AT7519 in an acute lung injury model, results showed that AT7519 significantly increased the number of apoptotic cells in lung tissue.	Nat Commun. 2020 Aug 12;11(1):4027.

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CAS No.: 902135-91-5

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CAS No.: 902135-91-5

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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