UCHEM is committed to providing a diverse range of high-purity specialty chemicals and advanced monomer products for a wide range of applications in the polymer, resin, electronics, and specialty materials industries. We are pleased to offer the following products, available for prompt supply and technical support:

Dianhydrides & Reactive Intermediates

5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic Anhydride CAS: 73003-90-4

Cyclobutane-1,2,3,4-tetracarboxylic Dianhydride (CBDA) CAS: 4415-87-6

3a,6a-Dimethyltetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetraone CAS: 137820-87-2

Aromatic & Polyfunctional Diamines

4,4'-Diaminodiphenyl Ether / 4,4'-Oxydianiline (ODA) CAS: 101-80-4

M-Tolidine (mTD) CAS: 84-67-3

4,4'-Bis(4-aminophenoxy)biphenyl (BAPB) CAS: 13080-85-8

9,9-Bis(4-amino-3-chlorophenyl)fluorene (CFDA) CAS: 107934-68-9

9,9-Bis(4-aminophenyl)fluorene (FDA) CAS: 15499-84-0

2,4,6-Trimethyl-1,3-phenylenediamine CAS: 3102-70-3

2,2-Bis(3-amino-4-hydroxylphenyl)propane (BAP) CAS: 1220-78-6

Phenol, 4,4'-oxybis[2-amino-] (OBAP) CAS: 6423-17-2

Phenol, 4,4'-cyclohexylidenebis[2-amino-] (CHPS) CAS: 30817-90-4

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone (BAHS) CAS: 7545-50-8

9,9-Bis(4-amino-3-fluorophenyl)fluorene CAS: 127926-65-2

4,4'-(4,4'-Isopropylidenediphenyl-1,1'-diyldioxy)dianiline CAS: 13080-86-9

2-(4-Aminophenyl)-1H-benzimidazol-5-amine CAS: 7621-86-5

2-(3-Amino-phenyl)-benzooxazol-5-ylamine CAS: 13676-47-6

Functional Monomers & Specialty Chemicals

4-tert-Butoxystyrene (VPBO) CAS: 95418-58-9

1,4-Cyclohexanedicarboxylic Acid (CHDA) CAS: 1076-97-7

1-(3-Chloropropyl)-4-vinylbenzene CAS: 97344-49-5

2,5-Bis(bromomethyl)benzenesulfonic acid CAS: 1204-10-0

Hexafluoro compound CAS: 128481-73-2

All listed products are manufactured or sourced under strict quality control, and most are available in both research and industrial quantities. We support custom synthesis and sample requests.

For pricing, lead time, or detailed specification sheets, please contact our sales team at uchemsales@gmail.com.