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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0 high purity

Name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0 high purity
Brand: Zentrachem
SKU: pr2509031516
Price: 0.1 USD
Availability: InStock

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CAS No.:

22246-18-0

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Brand:

Zentrachem

Packaging:

25kgs in drum

Sample Available:

Yes

Price valid (until):

2025-09-30

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Hangzhou Zentra Bio-Chemical Co., Ltd.

Company Type:

Trader

Location:

China

Payment Terms:

TT against copy of documents,D/P,L/C,D/A,100% TT in advance

Average Lead Time:

14 days

Qualification:

Main Products:

pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

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Product Details
Seller Information

Description

Product Detail

samples available

we are capable of:

1) quick quotation, normally within 1-2 days

2) full marketing research

3) price control and quality(regulatory) control

4) all stage support from sample, pilot, registration and commercial

5) sourcing for prodcut which is very new or hard to find

6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing

What are the MOQ and lead time?

MOQ varies (high-value chemicals may negotiate to g-kg-level).

Lead time typically 2-4 weeks, with expedited options upon request.

How do we ensure product quality and compliance?

We enforce a 3-step protocol:

① Source only from ISO-certified suppliers;

② Provide batch-specific COA/COO;

③ Dedicated team monitors global regulations (e.g., China NECIC, EU SCIP).

Do we offer customized synthesis?

Yes!

We provide end-to-end solutions from R&D to scale-up production.

Technical specs (e.g., purity, CAS#) and intended use documentation are required.

How do we handle logistics and customs?

We support CIF/FOB/DDP/DAP terms, partner with global logistics providers,

and have in-house experts for HS code classification, hazardous material documentation, etc.

How do we manage raw material price fluctuations?

We mitigate risks via long-term contracts, multi-region sourcing,

and futures hedging, supplemented with quarterly market analysis reports.

Items	Specifications

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ECHEMI Editorial Reference

Pale Yellow Powder
3,4-Dihydro-7-hydroxy-2 (1H)-quinolinone is a useful organic and pharmaceutical intermediate. It can be used as the precursor of aripiprazole1, which is an antipsychotic medication. It is also an antitumor agent and hydroxyindole analog inhibitor tyrosinase melanoma.

Certificates

Basic Info

Product Name:

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Other Name:

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone;Aripiprazole Dihydroquinolinone Impurity (USP);7-Hydroxy-3,4-dihydro-2(1H)-chinolinon;Intermediate of Aripiprazole;Aripiprazole Impurity 13;7- hydroxy-3,4- twohydrogen -2(1H)- quinolinone;7-Hydroxy-3,4-dihydro-2(H)-quinolinone;3,4-Dihydro-7-hydroxy-2(1H)-quinolinone SynonyMs 7-Hydroxy Carbostyril

CAS No.:

22246-18-0

Molecular Formula:

C9H9NO2

InChIKeys:

LKLSFDWYIBUGNT-UHFFFAOYSA-N

Molecular Weight:

163.17

Exact Mass:

163.17

EC Number:

239-784-6

UNII:

VFU6XCR3Q3

DSSTox ID:

DTXSID70382941

Color/Form:

Pale Yellow

HScode:

29334900

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

49.33000

XLogP3:

0.7

Appearance:

White powder

Density:

1.282±0.06 g/cm3(Predicted)

Melting Point:

233-237 °C

Boiling Point:

403.7±45.0 °C(Predicted)

Flash Point:

198ºC

PKA:

9.60±0.20(Predicted)

Critical Temperature & Pressure:

Sealed in dry,Room Temperature

See More 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin sensitization, Category 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H317 May cause an allergic skin reaction
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse.
Storage	none
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

Location:
Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,100% TT in advance

Average lead Time:
14 days

Total Employees:
5-10

Year of Establishment:
2025

Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global leader in chemical trading and integrated solutions.

Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance.

Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.

Why us

Supplier, distributor & marketer of chemicals with >20 yrs of experience, with Integrated sourcing solutions.

Wide product range , We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more.

We can solve your sourcing problems through our own or third party manufacturing in the most transparent way.

We supply all stage support from sample, pilot, registration and commercial.

Through selected pre-qualified partners under exclusive arrangements, we offer Contract manufacturing and custom synthesis , Kilo to Multi-ton scale production.

Capability

with hundreds of local manufacturers(pre-qualified), we are capable of:

1) quick quotation, normally within 1-2 days;

2) full marketing research;

3) price control and quality(regulatory) control;

4) all stage support from sample, pilot, registration and commercial;

5) sourcing for prodcut which is very new or hard to find;

6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing.
Country Product Purchase Quantity Date Posted

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More Choices Find All Products for Sale 

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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0	Pharmaceutical Grade/99	Hainan Flying International Trade Co., L	Inquiry
Aripiprazole Impurity 13 99%	/99	Shaanxi Dideu Medichem Co. Ltd	Inquiry
3,4-Dihydro-7-hydroxy-2(1H)-quinolinone	/98	Anqing Rongchuang Biotechnology Co., Ltd	Inquiry
High Quality 3,4-Dihydro-7-Hydroxy-2 (1H) -Quinolinone CAS 22246-18-0	/	Shandong zhishang chemical Co.,Ltd	Inquiry
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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0 high purity

Product Details

Seller Information