Profile: Yangzhou Princechem，found in 2003, is an experienced manufacturer of API intermediates and specialty chemicals with over 20 years. Certified under ISO9001, We?ve developed 500+ products and passed on-site audits from over 50 famous pharmaceutical companies. Headquartered in Yangzhou, Princechem operates under a flexible "1+2+N" industrial layout ? comprising one R&D and business center, two wholly-owned manufacturing sites, and partnerships with multiple allied enterprises, effectively ensuring production capacity and meeting diverse market demands. Our production capacity includes, but is not limited to: 3,000 tons/year thionyl chloride derivatives 10,000 tons/year ethylene oxide derivatives 20,000 tons/year propylene oxide derivatives Good at reactions: etherification, ammoniation, chlorination, esterification, cyclization, hydrogenation, Grignard reaction, etc

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• 1-(2-(2-Hydroxyethoxy)ethyl) Piperazine IUPAC Name: 2-(2-piperazin-1-ylethoxy)ethanol | CAS Registry Number: 13349-82-1 Synonyms: 2-[2-(1-Piperazinyl)ethoxy]ethanol, 331260_ALDRICH, 1-(2-(2-Hydroxyethoxy)ethyl)piperazine, 2-(2-piperazin-1-ylethoxy)ethanol, ALBB-006029, 1-[2-(2-Hydroxyethoxy)ethyl]piperazine, CID139436, ST5405453, TL8000795 Molecular Formula: C8H18N2O2 Molecular Weight: 174.240720 [g/mol] H-Bond Donor: 2 H-Bond Acceptor: 4 InChIKey: FLNQAPQQAZVRDA-UHFFFAOYSA-N

• 1-Methylpyrrolidine IUPAC Name: 1-methylpyrrolidine | CAS Registry Number: 120-94-5 Synonyms: N-Methylpyrrolidine, Methylpyrrolidine, Pyrrolidine, 1-methyl-, Methyl pyrrolidone, 1-METHYLPYRROLIDINE, N-Methyltetrahydropyrrole, 1-Methyl-2-pyrrolidone, 2-Pyrrolidone, 1-methyl, PYRROLIDINE, N-METHYL-, M79204_ALDRICH, PYRROLIDINE, N-METHYL, 69110_FLUKA, EINECS 204-438-5, NSC 65579, NSC65579, BRN 0102445, LS-138018, 5-20-01-00166 (Beilstein Handbook Reference), InChI=1/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H, 36520-42-0 Molecular Formula: C5H11N Molecular Weight: 85.147540 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: AVFZOVWCLRSYKC-UHFFFAOYSA-N

• 2-Phenoxylethylamine IUPAC Name: 2-(phenoxy)ethanamine | CAS Registry Number: 1758-46-9 Synonyms: Phenoxyethylamine, 2-Phenoxyethylamine, 2-phenoxyethanamine, Ethanamine, 2-phenoxy-, 1-Amino-2-phenoxyethane, alpha-Phenoxy-beta-aminoethane, ETHYLAMINE, 2-PHENOXY-, 448400_ALDRICH, EINECS 217-153-6, BRN 0774671, LS-68267, ST5437561, TL8001395, 4-06-00-00663 (Beilstein Handbook Reference), InChI=1/C8H11NO/c9-6-7-10-8-4-2-1-3-5-8/h1-5H,6-7,9H Molecular Formula: C8H11NO Molecular Weight: 137.179040 [g/mol] H-Bond Donor: 1 H-Bond Acceptor: 2 InChIKey: IMLAIXAZMVDRGA-UHFFFAOYSA-N

• 1-(2-Aminoethyl)piperidine IUPAC Name: 2-piperidin-1-ylethanamine | CAS Registry Number: 27578-60-5 Synonyms: 1-Piperidineethanamine, N-Aminoethylpiperidine, 2-Piperidinoethylamine, 2-(1-Piperidinyl)ethanamine, 141666_ALDRICH, N-(2-AMINOETHYL)PIPERIDINE, NSC54993, EINECS 248-540-8, EC-000.1345, AI3-11524, T5441954 Molecular Formula: C7H16N2 Molecular Weight: 128.215340 [g/mol] H-Bond Donor: 1 H-Bond Acceptor: 2 InChIKey: CJNRGSHEMCMUOE-UHFFFAOYSA-N

• 2,2-Oxybis(ethylamine) IUPAC Name: 2-(2-aminoethoxy)ethanamine | CAS Registry Number: 2752-17-2 Synonyms: Ethanamine, 2,2'-oxybis-, 2,2'-Oxydi(ethylamine), 2-(2-Aminoethoxy)ethylamine, EINECS 220-395-5, CID75982 Molecular Formula: C4H12N2O Molecular Weight: 104.150880 [g/mol] H-Bond Donor: 2 H-Bond Acceptor: 3 InChIKey: GXVUZYLYWKWJIM-UHFFFAOYSA-N

• 1-(3-Chloropropyl)piperidine Monohydrochloride IUPAC Name: 1-(3-chloropropyl)piperidine hydrochloride | CAS Registry Number: 5472-49-1 Synonyms: 596310_ALDRICH, N-(gamma-Chloropropyl)piperidine, EINECS 226-812-7, Piperidinopropyl chloride, hydrochloride, MolPort-003-937-608, NSC 28334, CID79624, NSC28334, 1-(3-Chloropropyl)piperidine hydrochloride, N-(3-Chloropropyl)piperidine hydrochloride, LS-114877, Piperidine, 1-(3-chloropropyl)-, hydrochloride, 1-(3-Chloropropyl)piperidine monohydrochloride Molecular Formula: C8H17Cl2N Molecular Weight: 198.133280 [g/mol] H-Bond Donor: 1 H-Bond Acceptor: 1 InChIKey: OBOBUDMMFXRNDO-UHFFFAOYSA-N

• 1-(BENZYLOXY)-3-CHLOROPROPANE IUPAC Name: 3-chloropropoxymethylbenzene | CAS Registry Number: 26420-79-1 Synonyms: NSC6169, MolPort-004-326-406, CID221505, ZINC01693312, BBV-058457 Molecular Formula: C10H13ClO Molecular Weight: 184.662620 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: XYQPOKBAQDQMQP-UHFFFAOYSA-N

• 3-ETHOXY-ANDROSTA-3,5-DIEN-17-ONE IUPAC Name: (8R,9S,10R,13S,14S)-3-ethoxy-10,13-dimethyl-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-one | CAS Registry Number: 972-46-3 Synonyms: 3-Ethoxy-androsta-3,5-dien-17-one, SureCN3984136, CTK5H9178, 3-Ethoxyandrosta-3,5-dien-17-one, ZINC22058506, AG-H-96813, FT-0668063, Androst-4-ene-3,17-dione 3-Ethyl Enol Ether Molecular Formula: C21H30O2 Molecular Weight: 314.461700 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 2 InChIKey: PAOWPNQOTVTCAF-OEUJLIAZSA-N

• 2-Phenylbutanentrile IUPAC Name: 2-phenylbutanenitrile | CAS Registry Number: 769-68-6 Synonyms: 2-Phenylbutanenitrile, 2-Phenylbutyronitrile, Butanenitrile, 2-phenyl, 1-Cyano-1-phenylpropane, Butanenitrile, 2-phenyl-, alpha-Phenylbutyronitrile, DL-2-Phenylbutyronitrile, Butyronitrile, 2-phenyl-, .alpha.-Phenylbutyronitrile, alpha-Ethylphenylacetonitrile, (+-)-2-Phenylbutyronitrile, 222739_ALDRICH, Benzeneacetonitrile, .alpha.-ethyl-, Benzeneacetonitrile, alpha-ethyl-, NSC2373, Butyronitrile, 2-phenyl- (8CI), NSC 2373, NSC11272, EINECS 212-213-8, NSC 11272 Molecular Formula: C10H11N Molecular Weight: 145.201040 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: IZPUPXNVRNBDSW-UHFFFAOYSA-N

• 2'-Fluoroacetophenone IUPAC Name: 1-(2-fluorophenyl)ethanone | CAS Registry Number: 445-27-2 Synonyms: o-Fluoroacetophenone, 2-Fluoroacetophenone, 1-(2-Fluorophenyl)ethanone, 183717_ALDRICH, 46430_FLUKA, CID96744, NSC88297, EINECS 207-156-0, ZINC00157320, InChI=1/C8H7FO/c1-6(10)7-4-2-3-5-8(7)9/h2-5H,1H Molecular Formula: C8H7FO Molecular Weight: 138.138983 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 2 InChIKey: QMATYTFXDIWACW-UHFFFAOYSA-N

• 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)ethanamine hydrochloride IUPAC Name: 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine;hydrochloride | CAS Registry Number: 326816-37-9 Synonyms: 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine hydrochloride, SCHEMBL1122045, XZPAHUSHYKUMPU-UHFFFAOYSA-N, AK00739400, 2-(3-chloro-5-trifluormethyl-pyridin-2-yl)-ethylamine hydrochloride Molecular Formula: C8H9Cl2F3N2 Molecular Weight: 261.069 [g/mol] H-Bond Donor: 2 H-Bond Acceptor: 5 InChIKey: XZPAHUSHYKUMPU-UHFFFAOYSA-N

• 4-Androstenedione IUPAC Name: (8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione | CAS Registry Number: 63-05-8 Synonyms: androstenedione, Androtex, Andro, 4-Androstene-3,17-dione, Androst-4-ene-3,17-dione, Fecundin, delta-4-Androstenedione, 17-Ketotestosterone, 3,17-Dioxoandrost-4-ene, Androstenedione (JAN), Androsten-3,17-dione, delta-4-Androsten-3,17-dione, SKF 2170, Spectrum5_002059, Lopac0_000114, MLS000028510, MLS002152886, A9630_SIGMA, NSC9563, 46033_RIEDEL Molecular Formula: C19H26O2 Molecular Weight: 286.408540 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 2 InChIKey: AEMFNILZOJDQLW-QAGGRKNESA-N

• 4-(chloromethyl)benzoyl Chloride IUPAC Name: 4-(chloromethyl)benzoyl chloride | CAS Registry Number: 876-08-4 Synonyms: 4-(Chloromethyl)benzoyl chloride, 270784_ALDRICH, EINECS 212-881-0, Benzoyl chloride, 4-(chloromethyl)-, NSC508741, ZINC01603192 Molecular Formula: C8H6Cl2O Molecular Weight: 189.038640 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: RCOVTJVRTZGSBP-UHFFFAOYSA-N

• 1-(Benzyloxy)-2-chloroethane IUPAC Name: 2-chloroethoxymethylbenzene | CAS Registry Number: 17229-17-3 Synonyms: Benzyl 2-chloroethyl ether, 2-chloro-ethoxy-methyl-benzene, [(2-Chloroethoxy)methyl]benzene, NSC11269 Molecular Formula: C9H11ClO Molecular Weight: 170.636040 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: UPIMXDQREQJWMR-UHFFFAOYSA-N

• 4'-Tertbutyl-4-chlorobutyrophenone IUPAC Name: 1-(4-tert-butylphenyl)-4-chlorobutan-1-one | CAS Registry Number: 43076-61-5 Synonyms: B91404_ALDRICH, 4'-tert-Butyl-4-chlorobutyrophenone, ZINC02162166, EINECS 256-077-8, CID2723694, ST5307120 Molecular Formula: C14H19ClO Molecular Weight: 238.753060 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 1 InChIKey: RLKSQLJFGCDUOX-UHFFFAOYSA-N

• 18-Crown-6 (1,4,7,10,13,16-Hexanoxacyclo-Octadecane) IUPAC Name: 3,6,9,12,15,18-hexaoxacyclooctadecane | CAS Registry Number: 17455-13-9 Synonyms: 18-Crown-6, Ethylene oxide cyclic hexamer, 18-Crown-6 ether, Hexaoxacyclooctadecane, CCRIS 3587, 33003U_SUPELCO, 1,4,7,10,13,16-HEXAOXACYCLOOCTADECANE, 186651_ALDRICH, 274984_ALDRICH, 07673_FLUKA, CHEBI:32397, EINECS 241-473-5, NSC 159836, BRN 1619616, 1,4,7,10,13,16-Hexanoxacyclooctadecane, NSC159836, ZINC03861356, WLN: T-18-O DO GO JO MO POTJ, LS-75505, ST023795 Molecular Formula: C12H24O6 Molecular Weight: 264.315360 [g/mol] H-Bond Donor: 0 H-Bond Acceptor: 6 InChIKey: XEZNGIUYQVAUSS-UHFFFAOYSA-N

• 3,5-Dimethylpyrazole IUPAC Name: 3,5-dimethyl-1H-pyrazole | CAS Registry Number: 67-51-6 Synonyms: 1H-Pyrazole, 3,5-dimethyl-, PYRAZOLE, 3,5-DIMETHYL-, 3,5-Dimethyl-1H-pyrazole, 3,5 DMP, 3,5-Dwumetylopirazolu [Polish], D182001_ALDRICH, TH 564, NSC 8729, 05091_FLUKA, 41540_FLUKA, EINECS 200-657-5, NSC8729, BRN 0106325, ZINC00594608, U 6245, LS-128466, TL8006579, 5-23-05-00110 (Beilstein Handbook Reference), AE-848/32586026, A1209/0055695 Molecular Formula: C5H8N2 Molecular Weight: 96.130420 [g/mol] H-Bond Donor: 1 H-Bond Acceptor: 2 InChIKey: SDXAWLJRERMRKF-UHFFFAOYSA-N

• 3-Amino-6-methylbenzenesulfonamide IUPAC Name: 5-amino-2-methylbenzenesulfonamide | CAS Registry Number: 6973-09-7 Synonyms: ZINC03888713, NSC36969, CID235511 Molecular Formula: C7H10N2O2S Molecular Weight: 186.231500 [g/mol] H-Bond Donor: 2 H-Bond Acceptor: 4 InChIKey: KTPBKMYOIFHJMI-UHFFFAOYSA-N