1,5-Isoquinolinediol
1,5-Isoquinolinediol (CAS: 5154-02-9) is a chemical compound with a molecular weight of 161.16 g/mol. It presents as a white to beige powder. This compound is primarily recognised for its role in biological research, particularly in studies related to apoptosis and cell cycle regulation. Its applications extend to cell biology and signalling, making it a valuable reagent for scientific investigation.
- IUPAC
- 1,5-Dihydroxyisoquinoline,5-Hydroxy-1(2H)-isoquinolinone,DiQ
- Synonyms
- 1,5-Dihydroxyisoquinoline5-Hydroxy-1(2H)-isoquinolinoneDiQ

Apoptosis and Cell Cycle Research
1,5-Isoquinolinediol serves as a valuable tool in the investigation of cellular programmed death pathways and the regulation of the cell cycle. Its properties allow researchers to explore these fundamental biological processes.
Cell Biology and Signalling Studies
This compound is utilised in cell biology research to understand cellular mechanisms and signalling pathways. It contributes to the study of biochemical processes within cells.
Biochemical Reagent
As a biochemical reagent, 1,5-Isoquinolinediol is employed in various laboratory settings for analytical and experimental purposes. Its defined purity supports reliable research outcomes.
| Molecular weight | 161.16 |
|---|---|
| Empirical formula | C9H7NO2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to beige |
| Solubility | DMSO: soluble20 mg/mL, clear |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,5-Isoquinolinediol used for?
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1,5-Isoquinolinediol is used in scientific research, particularly in studies related to apoptosis, cell cycle regulation, cell biology, and cell signalling. It functions as a biochemical reagent.
What are the CAS number and molecular formula for 1,5-Isoquinolinediol?
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The CAS number for 1,5-Isoquinolinediol is 5154-02-9, and its empirical formula is C9H7NO2.
What grade and purity does Tech Serve Solutions supply for 1,5-Isoquinolinediol?
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Tech Serve Solutions supplies 1,5-Isoquinolinediol with a minimum purity of ≥98% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1,5-Isoquinolinediol be handled safely?
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1,5-Isoquinolinediol is classified with a GHS07 symbol and a Warning signal word. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves, should be worn. Handle in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling information.
Is 1,5-Isoquinolinediol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,5-Isoquinolinediol, and can facilitate international shipments.
How can I request a sample or a quote for 1,5-Isoquinolinediol?
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To request a sample or a quote for 1,5-Isoquinolinediol, please contact our sales department through the website or by phone.
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