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Product Identification Chemical name: 4-tert-Butylbenzo-15-crown-5 Synonyms: 4-tert-Butylbenzo-15-crown-5-ether CAS No.: 15196-73-3 Molecular formula: C18H28O5 Molecular weight: 324.41 Melting point: 92.0-95.0 ℃ Specification Appearance: Off-white to pale yellow powder Purity: 98.00%min by GC/HPLC Moisture: 0.50%max Package Regular Packing: N.W 10kg/fiber drum Sample Packing: 0.1kg-0.5kg foil bag Transportation Information Classification: Non-dangerous goods HS Code: 2932999090 Status & Application Status: lab scale Application: 1) Used as an effective dissolution of inorganic in solvents; 2) Double metal cyanide (DMC) catalysts with crown ethers.

Product Identification Chemical name: 4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1,3-dihydro-benzoimidazol-2-one Synonyms: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-benzo[d]imidazol-2(3h)-one CAS No.: 1186334-82-6 Molecular formula: C13H17BN2O3 Molecular weight: 260.10 Specification Appearance: Off-white solid Purity: 97.00%min by HPLC Moisture: 0.50%max Package Regular Packing: N.W 1kg/foil bag Sample Packing: 0.1kg-0.5kg/plastic bottle Transport Information Classification: Non dangerous goods HS Code: 2920900090 Status & Application Status Lab scale Application: Organic synthetic intermediate

Product Identification Chemical name: 4-Bromo-2,6-di-tert-butylanisole CAS No.: 1516-96-7 Synonyms: 5-Bromo-1,3-di-tert-butyl-2-methoxybenzene, 3,5-di-tert-butyl-4-methoxybromobenzene, 1-bromo-3,5-di-tert-butyl-4-methoxybenzene, 1-Bromo-4-methoxy-3,5-di-tert-butylbenzene Molecular formula: C15H23BrO Molecular weight: 299.25 Melting point: 49-50 ºC Specification Appearance: Beige powder Purity: 98.00%min by GC Package Regular Packing: N.W 25kg/fiber drum Sample Packing: 0.1kg-1kg foil bag or under request Transportation Information Classification: Non-dangerous goods HS Code: 2909309013 Status & Application Status: Pilot scale

Product Identification Chemical name: 5-Acryloyloxy-2,6-norbornanecarbolactone Synonyms: Hexahydro-2-oxo-3,5-methano-2H-cyclopenta[b]furan-6-yl 2-propenoate CAS No.: 242129-35-7 Molecular formula: C11H12O4 Molecular weight: 208.21 Specification Appearance: White to off-white solid Purity: 98.00%min by HPLC Moisture: 0.50%max Package Regular Packing: N.W 5kg/plastic drum Sample Packing: 0.1kg-0.5kg foil bag Transport Information Classification: Non-dangerous goods HS Code: 2932209090 Status & Application Status: Lab scale Application: Used as a raw material of Photoresist polymer