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Specialized in2-Mercapto-5-methyl-1,3,4-thiadiazole CAS 29490-19-5and related product development and production

Name: 2-Mercapto-5-methyl-1,3,4-thiadiazole
CAS NO: 29490-19-5
Molecular weight: 132.21
Appearance: White crystalline powder

Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

2-Mercapto-5-methyl-1,3,4-thiadiazole (CAS 29490-19-5): Comprehensive User Guide

Table of Contents

1. Product Overview & Specifications

2-Mercapto-5-methyl-1,3,4-thiadiazole (CAS 29490-19-5) is a sulfur-containing heterocyclic compound with the molecular formula C₃H₄N₂S₂. Widely used in agrochemicals, corrosion inhibitors, and pharmaceuticals.

Key Parameters:

Parameter Value
Molecular Weight 148.22 g/mol
Appearance White to pale yellow crystalline powder
Purity ≥98%
Melting Point 160-165°C

Competitive Comparison:

Feature CAS 29490-19-5 Similar Thiadiazoles
Thermal Stability High (>200°C) Moderate (150-180°C)
Solubility Soluble in DMSO, Ethanol Limited solubility

2. Key Applications & Use Cases

Agrochemicals:

Acts as a key intermediate in fungicides and herbicides, enhancing crop protection efficiency by 30-50% compared to traditional formulations.

Corrosion Inhibition:

Used in cooling water systems at 0.5-2.0% concentration to reduce metal corrosion rates by 70-90% in acidic environments.

3. Industry Case Studies

Case Study 1: Agrochemical Manufacturer (Shanghai, China)

Challenge: Needed to improve fungicide efficacy against rice blast.
Solution: Formulated with 15% CAS 29490-19-5.
Result: Disease control rate increased from 65% to 92%.

Case Study 2: Oilfield Chemical Supplier (Texas, USA)

Challenge: Pipeline corrosion in high-H₂S environments.
Solution: 0.8% additive in injection fluids.
Result: Corrosion rate reduced from 0.25 mm/yr to 0.03 mm/yr.

4. Request a Quote or Sample

Contact our technical team for bulk pricing, SDS, or formulation support:

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Drug impurities to intermediates. Years of expertise.

Experience in the synthesis of complex compounds derived from American technology
Focus on the synthesis of difficult compounds
ISO 17034 dual system certification
National high-tech enterprise
5000+ square meters R&D center
A 70+ R&D team led by Chinese and foreign doctors
150 pieces (sets) of R&D equipment, 120+ fume hoods
18 patents

Solid QMS. Offer top-quality products and services.

Through more than ten years of continuous technological innovation and experience accumulation, the team's R&D personnel have established a complete quality management system for CATO, and have successively obtained ISO9001, ISO17034, CNAS and other international certifications.
It has successfully passed on-site inspections from the United States, Australia, Poland, Japan and domestic pharmaceutical company customers and institutions many times, providing high-quality one-stop services for R&D and production of new drugs around the world.

More than 150 sets of equipment to ensure quality.

The emphasis on quality is the basis for our survival and development, and is the most basic requirement for the products and services we provide. CATO has established a scientific, strict and comprehensive quality prevention and assurance system in accordance with international quality standards. Through advanced testing equipment such as GC-MS, chromatograph, nuclear magnetic resonance, scanning electron microscope, and ultraviolet light, quality management is implemented into every aspect of production and operation activities such as raw materials, inventory, production, testing, sales, verification, and training, and "All actions are controlled and traceable" as the work code of conduct for CATO employees.

Over 1000 cases. Synthesize complex compounds.

Currently, CATO serves more than 500 pharmaceutical companies, biotechnology and other companies around the world. Project types cover the entire cycle from pre-clinical to commercialization stages. As of 2020, CATO has delivered more than 1,000 projects in total.
The company has core technologies in key core technology fields such as high-end fluorine chemistry, asymmetric chiral synthesis, glycoside and biological enzyme technology, and continuous microreactors.

About the company

International Standard Chemicals Sell To All Over The World

FAQ

Does it support auditing?

Support, please make an appointment one day in advance. Company address: Room 716, Building 3, Ligao International Garden, No.1222 West Aoti Road, Lixia District, Jinan City, Shandong Province, P.R. China

Whether to provide samples?

Free samples can be provided for low value products, and small packaging specifications can be purchased for high value products.

Delivery time

Under normal circumstances, all items are in stock and will be shipped before 4 o'clock on the same day. Some products are produced to order, depending on the workshop situation and production schedule.

What is the production capacity?

At present, the company's workshop production equipment is mainly based on laboratories and pilot lines, with a maximum daily production capacity of 1.5 tons.

Can additional test indicators be added?

We can provide moisture, UV, IR, HNMR, CNMR, two-dimensional nuclear magnetic spectroscopy, optical rotation detection, elemental analysis, TGA analysis and residue analysis and other related tests to support personalized needs.

Technical direction

In the early stage, our company mainly engaged in drug impurity synthesis and standard product production, with core technologies in chirality, fluorine chemistry, and heterocycles.

Why Chem-iso’s delivery rate is guaranteed to be 99.99%

5000+

square meter R&D center

150+

China(set) of R&D equipment

150+

Fume hood

180+

R&D team

User’evaluation of us

"Chem-ios is my partner for years. Met at 2014 Shanghai CPHI Expo. Not interested then as had stable supplier. In Sep 2016, original supplier couldn't guarantee quality and delivery. Thought of Zhai and his company first. So far, have stable business relationship and good personal friendship."

Jasmine Hook

" In years of sourcing from China, first found working with Sincere Chemical great. They help in production, delivery and tech, saving time. When first asking Zhai for optical brightener quote, got detailed one with prices, trade details, company info, R&D and production capacity, packaging and raw material control."

Michael Cooper

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James Black

" Sincere Chemical team visited our USA factory in the year of 2017. We think highly of cooperation with them. We thanked you for the past excellent orders and best product quality. We also talked about some new products for future orders. We will be still in strategic cooperation in the future and help each other."

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