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HL 725

CAS No.
78416-81-6
Chemical Name:
HL 725
Synonyms
TREQUINSIN;HL 725;HL 725 HCL;Trequinsin, HCl;TREQUINSIN HYDROCHLORIDE;Riluzole Impurity 13-13C;DTCZZBVPTHVXFA-OSMRDGEFSA-N;TREQUINSIN HYDROCHLORIDE MINIMUM 98%;4,6-trimethylphenyl)imino)--2-((monohydrochloride;Trequinsin, Hydrochloride - CAS 78416-81-6 - Calbiochem
CBNumber:
CB9238844
Molecular Formula:
C24H28ClN3O3
Molecular Weight:
441.95
MDL Number:
MFCD01076563
MOL File:
78416-81-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-11 16:31:51
Product description Number Pack Size Price
Trequinsin hydrochloride ≥98% T2057 10mg $383
Trequinsin, Hydrochloride 382425 10mg $366
Trequinsin (hydrochloride) ≥98% 17217 1mg $49
Trequinsin (hydrochloride) ≥98% 17217 5mg $213
Trequinsin (hydrochloride) ≥98% 17217 10mg $306

HL 725 Properties

Melting point 210-211 °C(Solv: ethanol (64-17-5); ethyl ether (60-29-7))
storage temp. Desiccate at RT
solubility DMSO: 100 mM; Ethanol: 100 mM
form Pale yellow solid
color Light yellow to yellow
Water Solubility water: 500μM
InChI 1S/C24H27N3O3.ClH/c1-14-9-15(2)23(16(3)10-14)25-22-13-19-18-12-21(30-6)20(29-5)11-17(18)7-8-27(19)24(28)26(22)4;/h9-13H,7-8H2,1-6H3;1H/b25-22+;
InChIKey DTCZZBVPTHVXFA-OSMRDGEFSA-N
SMILES Cl[H].COc1cc2CCN3C(=O)N(C)C(\C=C3c2cc1OC)=N\c4c(C)cc(C)cc4C
FDA UNII 739I2958C1
UNSPSC Code 41106305
NACRES NA.77

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  3
RTECS  UW7727000
Storage Class 11 - Combustible Solids

HL 725 price More Price(49)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T2057 Trequinsin hydrochloride ≥98% 78416-81-6 10mg $383 2026-04-30 Buy
Sigma-Aldrich 382425 Trequinsin, Hydrochloride 78416-81-6 10mg $366 2026-04-30 Buy
Cayman Chemical 17217 Trequinsin (hydrochloride) ≥98% 78416-81-6 1mg $49 2026-04-30 Buy
Cayman Chemical 17217 Trequinsin (hydrochloride) ≥98% 78416-81-6 5mg $213 2026-04-30 Buy
Cayman Chemical 17217 Trequinsin (hydrochloride) ≥98% 78416-81-6 10mg $306 2026-04-30 Buy
Product number Packaging Price Buy
T2057 10mg $383 Buy
382425 10mg $366 Buy
17217 1mg $49 Buy
17217 5mg $213 Buy
17217 10mg $306 Buy

HL 725 Chemical Properties,Uses,Production

Uses

PDE inhibitor

Uses

Trequinsin Hydrochloride is an ultrapotent inhibitor of phosphodiesterase (PDE) 3.

Biological Activity

Extremely potent inhibitor of cGMP-inhibited phosphodiesterase (PDE3; IC 50 = 250 pM). Potently inhibits arachidonic acid-induced aggregation of human platelets (IC 50 = 50 pM). Orally active antihypertensive agent; reduces systemic blood pressure in both normotensive and hypertensive animal models.

storage

Desiccate at RT

HL 725 Preparation Products And Raw materials

Raw materials

Preparation Products

HL 725 Suppliers

Global( 53)Suppliers
Supplier Tel Email Country ProdList Advantage
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32466 58
TargetMol Chemicals Inc.
+1-781-999-5354; support@targetmol.com United States 39039 58
Aladdin Scientific
tp@aladdinsci.com United States 52923 58
NANJING YINGWEN BIOTECHNOLOGY CO LTD
+8613382787392 sales@aeechem.com China 10001 58
3B Pharmachem (Wuhan) International Co.,Ltd. 821-50328103-801 18930552037 3bsc@sina.com China 15838 69
Shanghai TaoSu Biochemical Technology Co., Ltd. 021-33632979 info@tsbiochem.com China 8065 58
EMMX Biotechnology LLC 888-539-0666 info@emmx.com United States 8447 60
Shanghai EFE Biological Technology Co., Ltd. 021-65675885 18964387627 info@efebio.com China 9804 58
Shanghai Rechem science Co., Ltd. 021-31433387 15618786686 sales@rechemscience.com China 2994 58
ChemeGen(Shanghai) Biotechnology Co.,Ltd. 18818260767 sales@chemegen.com China 11218 58

View Lastest Price from HL 725 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Trequinsin hydrochloride pictures 2026-05-11 Trequinsin hydrochloride
78416-81-6
$82.00-818.00 99.91% 10g TargetMol Chemicals Inc.
4,6-trimethylphenyl)imino)--2-((monohydrochloride 4h-pyrimido(6,1-a)isoquinolin-4-one,2,3,6,7-tetrahydro-9,10-dimethoxy-3-methyl HL 725 HL 725 HCL Trequinsin, Hydrochloride - CAS 78416-81-6 - Calbiochem 2,3,6,7-TETRAHYDRO-9,10-DIMETHOXY-3-METHYL-2-[(2,4,6-TRIMETHYLPHENYL)IMINO]-4H-PYRIMIDO[6,1-A]ISOQUINOLIN-4-ONE HYDROCHLORIDE 9,10-DIMETHOXY-2-MESITYLIMINO-3-METHYL-2,3,6,7-TETRAHYDRO-4H-PYRIMIDO-(6,1-A)-ISOQUINOLIN-4-ONE, HCL 9,10-DIMETHOXY-2-MESITYLIMINO-3-METHYL-2,3,6,7-TETRAHYDRO-4H-PYRIMIDO-[6,1A]-ISOQUINOLIN-4-ONE HYDROCHLORIDE TREQUINSIN HYDROCHLORIDE MINIMUM 98% TREQUINSIN HYDROCHLORIDE Trequinsin, HCl 4H-Pyrimido(6,1-A)isoquinolin-4-one, 2,3,6,7-tetrahydro-9,10-dimethoxy-3-methyl-2-((2,4,6-trimethylphenyl)imino)-, monohydrochloride 2,3,6,7-Tetrahydro-9,10-dimethoxy-3-methyl-2-[(2,4,6-trimethylphenyl)imino]-4H-pyrimido[6,1-a]isoquinolin-4-onehydrochloride DTCZZBVPTHVXFA-OSMRDGEFSA-N Riluzole Impurity 13-13C TREQUINSIN 78416-81-6 C24H27N3O3HCl C24H27N3O3 Cyclic Nucleotide Metabolism G Proteins and Cyclic Nucleotides Phosphodiesterase Inhibitors BioChemical Cell Signaling and Neuroscience Cell Biology