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Identify Suppliers 2025 Properties Safty

4-Amino-2-chloro-6,7-dimethoxyquinazoline

BGC Id:	280779495839
CAS No:	23680-84-4
Synonyms:	2-chloro-4-amino-6 ; timtec-bb sbb000787 ; 7-dimethoxy-quinazoline ; quinazolinamine ; 2-chloro-4-amino-6,7-dimethoxy ; doxazosin related compound c ; terazosin ep impurity a ; 4-amino-2-chloro-6,7-dimethoxy ; alfuzosin ep impurity b ; doxazosin ep impurity f
Molecular Formula:	C10H10ClN3O2
Molecular Weight:	239.66
EINECS:	245-821-7

Verified providers in 2025

The following 7 notable providers have been checked and can be recommended.

WeylChem ORGANICA

Biesterfeld Spezialchemie

Shandong Lanhai Industry

Hangzhou Keying Chem

H&Z Industry

Leap Chem

Molecular Formula: C10H12N3O2Cl

BIOZOL Diagnostica Vertrieb

What other providers are available for CAS 23680-84-4?

The last intensive check and update was carried out on 2025/02/21.

Identify

Synonyms:

2-chloro-4-amino-6 ; timtec-bb sbb000787 ; 7-dimethoxy-quinazoline ; quinazolinamine ; 2-chloro-4-amino-6,7-dimethoxy ; doxazosin related compound c ; terazosin ep impurity a ; 4-amino-2-chloro-6,7-dimethoxy ; alfuzosin ep impurity b ; doxazosin ep impurity f

CAS:

23680-84-4

EINECS:

245-821-7

Molecular Formula:

C10H10ClN3O2

MDL:

SMILES:

C1=CSC=C1CC(=O)NN

Properties

Molecular Weight:

239.66 g·mol−1

Melting point:

262-268 °C (dec.)(lit.)

Solubility:

Soluble in DMSO and Methanol

Suppliers

WeylChem ORGANICA GmbH

Tipo de companhia: Bulk chemical producer

WeylChem ORGANICA GmbH is a independent company, founded in 1995. We manufacture pharmaceutical intermediates as well as photographic chemicals and speciality chemicals for optoelectronics. Thanks to our investments in state-of-the-art facilities, inherited know-how and alliances, we can offer competitive products that are manufactured under strict respect of environmental regulations. Nós somos fornecedor de Oxazine 720. Our manufacturing capabilities range from kilo-lab (cGMP) to pilot plant and to multi ton ...

país: Germany telefone: +49-(0)3494-39212-0 fax: +49-(0)3494-39212-11

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Biesterfeld Spezialchemie GmbH

Tipo de companhia: Import and export company

país: Germany
telefone: +49-40 32008 326
fax: +49-40 32008 696

HC-Yellow 2 também é servida por Biesterfeld Spezialchemie GmbH. Biesterfeld Spezialchemie is one of the leading international distributors of specialty chemicals. As solution provider we offer: a broad range of innovative raw materials, customer-specific advice and solution-oriented, technical expertise, formulation know-how, comprehensive market knowledge, close long-term cooperation with leading global suppliers, efficient logistic processes and customised logistical solutions, proximity to our customers thanks to branches in Eur ...

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Shandong Lanhai Industry Co.,Ltd.

Shandong Lanhai Industry Co., Ltd established in 2015. The headquartered located in the beautiful Spring city Jinan. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertili ...

Tipo de companhia: Producer

país: P.R.China
telefone: +86-15953182965

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Hangzhou Keying Chem Co., Ltd.

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service. After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. Nós somos vendedor de Germanium dioxide. The p ...

país: P.R.China telefone: +86-571-85378921 fax: +86-571-85378913

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H&Z Industry Co.,Ltd

país: P.R.China
telefone: +86 13583185792
fax: +86 531 88905468

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. Nós vendemos Hydroxyzine dihydrochloride bem. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.

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Leap Chem Co., Ltd

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. Nós somos vendedor de N'-Hydroxy-2-piperidinoethanimidamide. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

Tipo de companhia: Bulk and laboratory supplier

país: P.R.China
telefone: +852-30606658

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BIOZOL Diagnostica Vertrieb GmbH

Tipo de companhia: Supplier of chemical products

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. Além disso 4-(Allyloxy)-3,5-dibromobenzene é fornecido por nós. We are supplying and producing lab quantities from tiny qua ...

país: Germany telefone: +49-871-966346-0 fax: +49-871-966346-13

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Safety Information

Hazard Symbols: Xi, Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

irritant

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

36/37/38-20/21/22 (R)

Safety Codes:

26-36-37/39 (S)

WGK Germany:

Storage temperature:

2-8 °C

What other providers are available for CAS 23680-84-4?

In addition to the providers presented here for 4-Amino-2-chloro-6,7-dimethoxyquinazoline with the CAS number 23680-84-4, there are other 78 providers with slightly different product names available for this CAS number.

Alfuzosin EP impurity B

+2 additional providers that we know from the past

Alfuzosin EP Impurity B

+1 additional providers that we know from the past

Alfuzosin EP impurity B

+2 additional providers that we know from the past

Doxazosin ep impurity f

+1 additional providers that we know from the past

Terazosin EP impurity A

+2 additional providers that we know from the past

2-Chloro-6,7-dimethoxy-4-quinazolinamine

Dayang Chem (Hangzhou) Co.,Ltd. +9 additional providers that we know from the past

6,7-Dimethoxy-2-chloro-4-quinazolinamine

BuGuCh & Partners +1 additional providers that we know from the past

2-Chloro-4-amino-6,7-dimethoxyquinazoline

Terazosin EP Impurity A (Alfuzosin EP Impurity B, Prazosin EP Impurity A)

+2 additional providers that we know from the past