Cyclobutane-1,2,3,4-tetracarboxylic dianhydride CAS 4415-87-6

Product name: Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
CAS：4415-87-6
MF：C8H4O6
MW：196.11
EINECS:224-577-5

Product Description

Product name: Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

CAS：4415-87-6

MF：C8H4O6

MW：196.11

EINECS:224-577-5

Applicatiuon：

1. Preparation reagents for active molecules in biology and pharmacology;

2. Preparation of photosensitive polyimide materials for high-performance organic thin film transistors;

3. Selective crosslinking for polyimide photonic devices

Specifications :

公司信息

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.