CAS No. :	1243259-19-9
Formula :	C₁₂H₂₇Cl₂N₃O₂
M.W :	316.27
SMILES Code :	CC[C@H](C)[C@H](N)C(NCCN1CCOCC1)=O.[H]Cl.[H]Cl
Synonyms :	LM11A-31 (hydrochloride); LM11A-31 dihydrochloride
MDL No. :	MFCD28166485

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319
Precautionary Statements:	P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Human neuroblastoma SH-SY5Y cells	200 nM	16-18 hours	LM11A-31 decreased mHtt aggregates in SH-SY5Y cells expressing mHtt (exon 1 with 74 CAG repeats) and increased autophagic/lysosomal activity, as indicated by altered levels of relevant markers (e.g., p62/SQSTM1 and mature cathepsin D) and increased autophagy flux.	Neurotherapeutics. 2025 Mar;22(2):e00495
Human retinal endothelial (HRE) cells	200 nmol/L		To investigate the effect of LM11A-31 on proNGF-mediated cell permeability. Results showed that LM11A-31 significantly attenuated proNGF-mediated increase in HRE cell permeability.	Diabetologia. 2019 Aug;62(8):1488-1500
microglia	10 nM	7 days	To evaluate the effects of LM11A-31 on FIV-infected feline microglia. LM11A-31 reduced FIV-induced microglial accumulation but no direct effects were observed in purified microglial cultures.	J Neuroimmune Pharmacol. 2012 Jun;7(2):388-400
astrocytes	10 nM	7 days	To evaluate the effects of LM11A-31 on FIV-infected feline astrocytes. LM11A-31 reduced FIV-induced morphological changes in astrocytes and suppressed calcium destabilization.	J Neuroimmune Pharmacol. 2012 Jun;7(2):388-400
feline neurons	10 nM	7 days	To evaluate the neuroprotective effects of LM11A-31 on FIV-infected feline neurons. LM11A-31 significantly reduced FIV-induced neuronal damage, including dendritic beading and neuronal shrinkage, and restored MAP-2 staining intensity.	J Neuroimmune Pharmacol. 2012 Jun;7(2):388-400
microglia	10 nM	1 hour	Suppressed HIV gp120-induced neurotoxic factor release, with a secretory profile similar to macrophages	J Neuroimmune Pharmacol. 2022 Jun;17(1-2):242-260
monocyte-derived macrophages (MDM)	10 nM	overnight	Suppressed HIV gp120-induced release of neurotoxic factors and induced a shift to a ruffled macrophage phenotype	J Neuroimmune Pharmacol. 2022 Jun;17(1-2):242-260
human retinal endothelial cells (HREs)	200 nM	12 hours	LM11A-31 treatment enhanced the secretome of MSCs, significantly increasing the release of SDF-1α, VEGF, and NGF, and improved the angiogenic response of HREs	Int J Mol Sci. 2021 Jan 15;22(2):829
mononuclear cells from synovial fluid (SFMC) of patients with JIA	10 nM	1 hour	inhibition of proNGF-induced IL-6 production	RMD Open. 2017 Sep 12;3(2):e000441
Detroit-562 cells	4 μM			Cells. 2019 Sep 28;8(10):1167
Cal-27 cells	4 μM			Cells. 2019 Sep 28;8(10):1167
PE/CA-PJ15 cells	4 μM	7 hours	inhibition of cell motility	Cells. 2019 Sep 28;8(10):1167

Mice	R6/2 and zQ175dn Huntington's disease model mice	Oral gavage	25, 50, and 100 mg/kg (R6/2 mice); 10, 25, and 50 mg/kg (zQ175dn mice)	R6/2 mice: once daily for 7 weeks; zQ175dn mice: once or twice daily for 4 months	LM11A-31 reduced mHtt aggregates in the striatum of R6/2 and zQ175dn mice, increased AMPK activation, normalized p62/SQSTM1 and LC3II levels, enhanced LAMP1, and decreased LC3B association with mHtt.	Neurotherapeutics. 2025 Mar;22(2):e00495
Sprague-Dawley rats	Streptococcus pneumoniae meningitis model	Intranasal administration	15 μg/60 μL/day	Once daily for three consecutive days pretreatment	LM11A-31 pretreatment significantly alleviated S. pneumoniae-induced clinical severity, histopathological injury and the activation of astrocytes and microglia. LM11A-31 pretreatment also significantly ameliorated neuronal apoptosis and necrosis. Moreover, blocking p75NTR with LM11A-31 decreased the expression of inflammation-related transcription factors (NF-κBp65, C/EBPβ) and proinflammatory cytokines/mediators (IL-1β, TNF-α, IL-6 and iNOS).	J Neuroinflammation. 2021 Nov 2;18(1):253
C57BL/6J mice	Streptozotocin-induced diabetic model	Oral gavage	50 mg/kg	Every 48 hours for 4 weeks	To evaluate the effect of LM11A-31 on diabetes-induced retinal vascular permeability and inflammation. Results showed that LM11A-31 significantly mitigated diabetes-induced increase in retinal vascular permeability and reduced expression of inflammatory mediators TNF-α and IL-1β.	Diabetologia. 2019 Aug;62(8):1488-1500
Mouse	Alzheimer's disease model mice	Oral gavage	50 mg/kg/day	Once daily for 3 months	To evaluate the modulation of neuroinflammation by LM11A-31 in Alzheimer's disease model mice. Results showed that LM11A-31 treatment significantly reduced TSPO-PET signal in the cortex and hippocampus of mice, corresponding with decreased levels of TSPO immunostaining and microglial Iba1 immunostaining.	Theranostics. 2017 Mar 24;7(6):1422-1436
Mice	P301S tauopathy mouse model	Oral gavage	50 mg/kg	Five days per week for 3 months	LM11A-31 reduced excess activation of hippocampal cdk5 and JNK kinases, calpain activity, cofilin phosphorylation, tau phosphorylation, acetylation and cleavage, accumulation of multiple forms of insoluble tau aggregates and filaments, and microglial activation, while improving hippocampal behavioral performance	Acta Neuropathol Commun. 2020 Sep 5;8(1):156
Mice	Unilateral sciatic denervation model	Oral	75mg/kg/day	Once daily for one week	Inhibition of p75NTR significantly reduced JNK activation and inflammatory cytokines in the denervated muscle.	Life Sci. 2021 Dec 1;286:120067
Mice	Retinal ischemia/reperfusion (I/R) injury model	Oral	50 mg/kg/day	Every other day for 15 days	LM11A-31 significantly mitigated the decline in visual acuity post retinal I/R injury	Int J Mol Sci. 2021 Jan 15;22(2):829

Bio Calculators
Preparing Stock Solutions		1mg	5mg	10mg
Preparing Stock Solutions	1 mM 5 mM 10 mM	3.16mL 0.63mL 0.32mL	15.81mL 3.16mL 1.58mL	31.62mL 6.32mL 3.16mL
Dissolving Methods	Animal experiment The prepared working fluid is recommended to be prepared now and used up as soon as possible in a short period of time. 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

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CAS No.: 1243259-19-9

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CAS No.: 1243259-19-9

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Product Details of LM11A-31 2HCl

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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