How do you maintain long-term business relationships?

We maintain good quality and competitive prices. We treat every customer as a friend and conduct business sincerely regardless of their location.

What is the purity of Citraconic Anhydride?

The purity (GC) is 99% min, with a maximum single impurity of 0.1% max and metal ions at 10 ppm max.

What is the CAS number for this product?

The CAS number for Citraconic Anhydride is 616-02-4.

Citraconic Anhydride CAS 616-02-4

Name: Citraconic Anhydride CAS 616-02-4
Brand: Changzhou Koye Chemical Co., Ltd.
SKU: 2212132555

Jiangsu, ChinaChangzhou Koye Chemical Co., Ltd.

US$17.00

1 kg

Sample price:US$150.00/piece.Request sample

Product profile

Customization

Available

CAS No.

616-02-4

Formula

C5h4o3

EINECS

210-459-0

Classification

Inorganic Analytical Reagents

Specific Usage

Technical Grade

Content

Standard

Source

Concrete

Application

Industry

Property

Inorganic Reagent

Name

Citraconic Anhydride

MOQ

1mt

Sample

Available

Store

Cool and Dry Place

Transport Package

200kg/Drum; 950kg/IBC

Specification

50%

Trademark

KOYE

Origin

China

HS Code

29171990

Production Capacity

2000mt/Year

Key features

High Purity Grade: Purity (GC) 99% min with maximum single impurity 0.1% max.

Strict Quality Control: 100% testing performed on all goods before delivery.

Flexible Customization: Customization available from samples, designs, and minor adjustments.

Established Manufacturer: Over 20 years of experience in chemical industry production and R&D.

Certified Quality: ISO9001:2015 management system certification ensures quality.

Sample Availability: Low MOQ samples of 10-100g available for checking.

Global Export Experience: 14 years of export experience to Europe, Americas, and Asia.

Competitive Pricing: Competitive prices ensured to maximize customer benefits.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceManagement Certification

Changzhou Koye Chemical Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Group Corporation CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.87h

AI-Powered supplier vetting

SummaryChangzhou KOYE Fine Chemical Co., Ltd. is a limited trading company in Changzhou, China, operating in chemical raw materials, pharmaceutical raw materials, and pharmaceutical intermediates. It holds an ISO 9001:2015 certificate and reports inventory availability, written procedures for assessing service capability, and lead times within 15 working days in both peak and off-seasons. The supplier has no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, and reports no new products during the past year. It offers ODM, OEM for well-known brands, and multiple customization options, but production-related outsourcing procedures and contracts are unverified. The company has 18 employees, has exported for 14 years, and derives 41%–50% of total sales from exports. Financial credibility and customer-case strength cannot be fully determined from the provided information.

Supplier typeThe supplier is identified as a limited company and trading company, with business activities covering chemical raw materials, pharmaceutical raw materials, pharmaceutical intermediates, and other listed goods. The available information does not identify it as a manufacturer, although associated companies are stated to be in manufacturing.

CertificationsThe supplier holds an ISO 9001:2015 certification for supplier management systems. This is explicit evidence of a quality-management-system certification.

After-Sales capabilityService capability is supported by stated inventory availability, lead times within 15 working days in both peak and off-seasons, and written service-capability assessment procedures with records. However, the supplier has no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and serves zero stated overseas-service countries, limiting evidence of localized after-sales support.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing clear evidence of broad customization support.

Product Q&A

Q:What are the terms of payment?

For small orders: TT 100% in advance or Credit Card. For large orders: L/C at sight, or T/T 30% deposit with 70% before delivery. Photos of products and packages are provided before balance payment.

Q:What is the delivery time?

Generally 15 to 20 days after receiving advance payment. The specific time depends on the items and order quantity.

Q:Is there a minimum order quantity (MOQ)?

Yes, there is a low MOQ. Samples of 10-100g are available for checking.

Q:How do I place an order?

1. Share your requirements or application. 2. Receive a quote based on your needs. 3. Confirm samples and pay the deposit. 4. We arrange production.

Q:Do you test products before delivery?

Yes, we conduct 100% testing on all goods before delivery to ensure quality.