# Chongqing Chemdad Co., Ltd

> Fine-chemical manufacturer and supplier based in Chongqing, China, offering pharmaceutical intermediates, building blocks, catalysts, APIs, specialty and electronic chemicals, with custom synthesis capabilities for international buyers.

Chongqing Chemdad Co., Ltd (Chinese: 爆牛贸易重庆有限公司) develops, manufactures and exports fine chemicals and laboratory reagents worldwide. Capabilities include high-volume production of emulsifier materials and custom synthesis of pharmaceutical intermediates (for example the anti-anaphylaxis compound CAS 697235-49-7). The website is bilingual: English at the root and Chinese under /en. Each product page is structured with CAS Number, Molecular Formula, Molecular Weight and Grade, and is also marked up with schema.org/Product data. Products can be searched by CAS number from the site header.

## Company
- Name: Chongqing Chemdad Co., Ltd (爆牛贸易重庆有限公司)
- Address: No.18, Wujiang Road, Wulidian Street, Jiangbei District, Chongqing, China
- Email: danny@chemdad.com, sales@chemdad.com
- Phone / WhatsApp: +86-23-6139-8061, +86-13650506873

## Main sections
- [Home (English)](https://www.chemdad.com/): company overview and featured products
- [Home (中文)](https://www.chemdad.com/en/): Chinese version of the site
- [About](https://www.chemdad.com/index.php?c=article&a=type&tid=1): company profile
- [Products](https://www.chemdad.com/index.php?c=article&a=type&tid=2): full product catalog
- [Solutions](https://www.chemdad.com/index.php?c=article&a=type&tid=3): application and custom-synthesis solutions
- [News](https://www.chemdad.com/index.php?c=article&a=type&tid=4): company and industry updates
- [Downloads](https://www.chemdad.com/index.php?c=article&a=type&tid=5): catalogs and documents
- [Careers](https://www.chemdad.com/index.php?c=article&a=type&tid=6): recruitment
- [Contact](https://www.chemdad.com/index.php?c=article&a=type&tid=84): contact details and inquiry
- [Inquiry / Request a quote](https://www.chemdad.com/index.php?c=message&a=type&tid=7): product enquiry form

## Product categories
- Chemical Synthesis
  - [Building Blocks](https://www.chemdad.com/index.php?c=article&a=type&tid=64)
  - [Catalysts](https://www.chemdad.com/index.php?c=article&a=type&tid=65)
  - [Synthetic Reagents](https://www.chemdad.com/index.php?c=article&a=type&tid=66)
- API & Food Supplements
  - [API (Active Pharmaceutical Ingredients)](https://www.chemdad.com/index.php?c=article&a=type&tid=67)
  - [Food Supplements](https://www.chemdad.com/index.php?c=article&a=type&tid=68)
- [Silicone Products](https://www.chemdad.com/index.php?c=article&a=type&tid=41)
- [Phosphorus Compounds](https://www.chemdad.com/index.php?c=article&a=type&tid=37)
- Biochemical Reagents
  - [Biochemical Reagent](https://www.chemdad.com/index.php?c=article&a=type&tid=43)
  - [PEG Linker](https://www.chemdad.com/index.php?c=article&a=type&tid=54)
- Electronic Chemicals
  - [Porphyrin](https://www.chemdad.com/index.php?c=article&a=type&tid=21)
  - [Ionic Liquid](https://www.chemdad.com/index.php?c=article&a=type&tid=44)
  - [Others](https://www.chemdad.com/index.php?c=article&a=type&tid=59)
- Custom Synthesis
  - [Triisopropanolamine](https://www.chemdad.com/index.php?c=article&a=type&tid=60)
- [Daily Chemicals](https://www.chemdad.com/index.php?c=article&a=type&tid=70)
- [Analytical Chemistry](https://www.chemdad.com/index.php?c=article&a=type&tid=83)

## Full URL lists (always current)
- [Sitemap (English)](https://www.chemdad.com/sitemap.php)
- [Sitemap (中文)](https://www.chemdad.com/en/sitemap.php)