Skype
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  1  2  3  4  5  *
CHEMICAL products beginning with : 1
123351 to 123400 of 357817 results  Page: << Previous 50 Results 2460 2461 2462 2463 2464 2465 2466 2467 [2468] 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 >> Next 50 Results
 PRODUCT NAMECAS Registry Number 
1-(3-(1,1,2,2-Tetrafluoroethoxy)phenyl)butan-1-one (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]butan-1-one | CAS Registry Number: 1443310-97-1
Synonyms: 3'-(1,1,2,2-Tetrafluoroethoxy)butyrophenone, ZINC95740145, AKOS027444934

Molecular Formula: C12H12F4O2Molecular Weight: 264.220 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 6

InChIKey: QBHCGORJTKHTGN-UHFFFAOYSA-N

1443310-97-1
1-(3-(1,1-Difluoro-2-hydroxyethyl)-2-methylphenyl)ethan-1-one (1 supplier)2488794-86-9
1-(3-(1,1-Difluoro-2-methoxyethyl)-2-fluorophenyl)ethan-1-amine hydrochloride (1 supplier)2875097-21-3
1-(3-(1,1-Difluoro-2-methoxyethyl)-2-fluorophenyl)ethan-1-one (1 supplier)2688115-54-8
1-(3-(1,1-Difluoroethyl)phenyl)ethan-1-amine (2 suppliers)
Compound Structure IUPAC Name: 1-[3-(1,1-difluoroethyl)phenyl]ethanamine | CAS Registry Number: 1556268-05-3
Synonyms: SCHEMBL18266127

Molecular Formula: C10H13F2NMolecular Weight: 185.210 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 3

InChIKey: XWRKMMWZACSMOK-UHFFFAOYSA-N

1556268-05-3
1-(3-(1,1-Difluoroethyl)phenyl)ethan-1-one (4 suppliers)
Compound Structure IUPAC Name: 1-[3-(1,1-difluoroethyl)phenyl]ethanone | CAS Registry Number: 1556404-07-9
Synonyms: SCHEMBL21132592

Molecular Formula: C10H10F2OMolecular Weight: 184.180 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3

InChIKey: MYVZMPJQLVOWRA-UHFFFAOYSA-N

1556404-07-9
1-(3-(1,1-Difluoroethyl)phenyl)ethanol (1 supplier)1780140-06-8
1-(3-(1,1-Difluoroethyl)piperidin-1-yl)-2-(methylamino)ethan-1-one (1 supplier)2092697-73-7
1-(3-(1,1-Difluoroethyl)quinoxalin-6-yl)ethan-1-one (1 supplier)2899345-64-1
1-(3-(1,2,3,5,6,7-HEXAHYDRO-S-INDACEN-4-YL)PROPYL)-4-METHYLPIPERAZINE 2HCL (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)propyl]-4-methylpiperazine dihydrochloride | CAS Registry Number: 80761-01-9
Synonyms: CID3067003, LS-112700, 1-(3-(s-Hydrindacen-4-yl)propyl)-4-methylpiperazine dihydrochloride, 1-(3-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)propyl)-4-methylpiperazine dihydrochloride, Piperazine, 1-(3-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)propyl)-4-methyl-, dihydrochloride

Molecular Formula: C20H32Cl2N2Molecular Weight: 371.387480 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 2

InChIKey: PMAZXXYQRALEEK-UHFFFAOYSA-N

80761-01-9
1-(3-(1-(1-Acetyl-1H-indol-3-yl)vinyl)-1H-indol-1-yl)-1-ethanone (0 suppliers)
1-(3-(1-(1-methyl-1H-indazol-5-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone (0 suppliers)
Compound Structure IUPAC Name: 1-[3-[1-(1-methylindazol-5-yl)ethyl]imidazo[1,2-b]pyridazin-6-yl]ethanone | CAS Registry Number: 1266238-38-3
Synonyms: 1-(3-(1-(1-Methyl-1H-indazol-5-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone, SCHEMBL1163299, GQLQSKYOCUYMAW-UHFFFAOYSA-N

Molecular Formula: C18H17N5OMolecular Weight: 319.368 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: GQLQSKYOCUYMAW-UHFFFAOYSA-N

1266238-38-3
1-(3-(1-(2-Fluoroethyl)-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (1 supplier)2098058-48-9
1-(3-(1-(2-Methoxyethyl)-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (1 supplier)2097975-36-3
1-(3-(1-(2-Methoxyethyl)-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine (1 supplier)2098121-50-5
1-(3-(1-(Cyclopropylmethyl)-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (1 supplier)2098004-37-4
1-(3-(1-(quinolin-2-yl)azetidin-3-yloxy)pyrazin-2-yl)azetidin-3-ol (0 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-quinolin-2-ylazetidin-3-yl)oxypyrazin-2-yl]azetidin-3-ol | CAS Registry Number: 1350603-96-1
Synonyms: SCHEMBL2630879, DA-11815, US8497265, 250, 3-Azetidinol, 1-[3-[[1-(2-quinolinyl)-3-azetidinyl]oxy]-2-pyrazinyl]-

Molecular Formula: C19H19N5O2Molecular Weight: 349.386460 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 7

InChIKey: DFBWPIINFRZPSC-UHFFFAOYSA-N

1350603-96-1
1-(3-(1-(quinolin-2-yl)azetidin-3-yloxy)pyrazin-2-yl)pyrrolidin-3-one (0 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-quinolin-2-ylazetidin-3-yl)oxypyrazin-2-yl]pyrrolidin-3-one | CAS Registry Number: 1350607-83-8
Synonyms: SCHEMBL7708378, DA-11794, 3-Pyrrolidinone, 1-[3-[[1-(2-quinolinyl)-3-azetidinyl]oxy]-2-pyrazinyl]-

Molecular Formula: C20H19N5O2Molecular Weight: 361.397160 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 7

InChIKey: AYJGIGPKHIPHNS-UHFFFAOYSA-N

1350607-83-8
1-(3-(1-(quinolin-6-yl)cyclopropyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)ethanone (0 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-quinolin-6-ylcyclopropyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]ethanone | CAS Registry Number: 1266238-17-8
Synonyms: 1-(3-(1-(Quinolin-6-yl)cyclopropyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)ethanone, SCHEMBL1162832, VDHGQIHXKNUGJH-UHFFFAOYSA-N, ZINC115368769, 1-[3-(1-Quinolin-6-yl-cyclopropyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-ethanone

Molecular Formula: C19H15N5OMolecular Weight: 329.363 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 5

InChIKey: VDHGQIHXKNUGJH-UHFFFAOYSA-N

1266238-17-8
1-(3-(1-Aminoethyl)-2-fluorophenyl)-1,1-difluoro-2-methylpropan-2-ol (1 supplier)2654747-38-1
1-(3-(1-Aminoethyl)phenyl)-1,1-difluoro-2-methylpropan-2-ol hydrochloride (1 supplier)2647887-96-3
1-(3-(1-AMINOETHYL)PHENYL)ETHAN-1-ONE HCL (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-aminoethyl)phenyl]ethanone;hydrochloride | CAS Registry Number: 2250241-97-3
Synonyms: (S)-1-(3-(1-AMINOETHYL)PHENYL)ETHANONE HCL, AK608009

Molecular Formula: C10H14ClNOMolecular Weight: 199.680 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 2

InChIKey: ZLIOXJUIOKKTOZ-UHFFFAOYSA-N

2250241-97-3
1-(3-(1-Aminoethyl)piperidin-1-yl)-2-methylpropan-2-ol dihydrochloride (5 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-aminoethyl)piperidin-1-yl]-2-methylpropan-2-ol;dihydrochloride | CAS Registry Number: 1443979-66-5
Synonyms: 1-[3-(1-aminoethyl)piperidin-1-yl]-2-methylpropan-2-ol dihydrochloride, MolPort-028-949-268, NE59713

Molecular Formula: C11H26Cl2N2OMolecular Weight: 273.242 [g/mol]
H-Bond Donor: 4H-Bond Acceptor: 3

InChIKey: MHWVILDVOIFEBV-UHFFFAOYSA-N

1443979-66-5
1-(3-(1-Benzylpyrrolidin-2-yl)pyridin-2-yl)azepane (2 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-benzylpyrrolidin-2-yl)pyridin-2-yl]azepane | CAS Registry Number: 1352494-12-2
Synonyms: 1-[3-(1-Benzyl-pyrrolidin-2-yl)-pyridin-2-yl]-azepane, AKOS027450962

Molecular Formula: C22H29N3Molecular Weight: 335.495 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3

InChIKey: KQIIZZICHODSKM-UHFFFAOYSA-N

1352494-12-2
1-(3-(1-Butylpyrrolidin-2-yl)pyridin-2-yl)-4-methylpiperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-butylpyrrolidin-2-yl)pyridin-2-yl]-4-methylpiperazine | CAS Registry Number: 1352535-84-2
Synonyms: AKOS027452097, 1-[3-(1-Butyl-pyrrolidin-2-yl)-pyridin-2-yl]-4-methyl-piperazine

Molecular Formula: C18H30N4Molecular Weight: 302.466 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: RNROYLRIJJUMSG-UHFFFAOYSA-N

1352535-84-2
1-(3-(1-Butylpyrrolidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-butylpyrrolidin-2-yl)pyridin-2-yl]piperazine | CAS Registry Number: 1352519-41-5
Synonyms: 1-[3-(1-Butyl-pyrrolidin-2-yl)-pyridin-2-yl]-piperazine, AKOS027451686

Molecular Formula: C17H28N4Molecular Weight: 288.439 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: RFFDVMJXDRNCIN-UHFFFAOYSA-N

1352519-41-5
1-(3-(1-ethyl-1h-pyrazol-4-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (1 supplier)2098061-30-2
1-(3-(1-Ethyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-ethylpyrrol-2-yl)-1,2,4-oxadiazol-5-yl]-N-methylmethanamine | CAS Registry Number: 1955522-80-1
Synonyms: 1-(3-(1-ethyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-N-methylmethanamine, AKOS026706418, ZINC328579493, F1907-0566

Molecular Formula: C10H14N4OMolecular Weight: 206.240 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: LGXBOKXDHHOCAG-UHFFFAOYSA-N

1955522-80-1
1-(3-(1-Ethyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine (2 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-ethylpyrrol-2-yl)-1,2,4-oxadiazol-5-yl]ethanamine | CAS Registry Number: 1955561-44-0
Synonyms: 1-(3-(1-ethyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine, AKOS026706419, F1907-0567

Molecular Formula: C10H14N4OMolecular Weight: 206.240 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: ZVZILKMZVDBKJG-UHFFFAOYSA-N

1955561-44-0
1-(3-(1-Ethylpiperidin-2-yl)pyridin-2-yl)-4-methylpiperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-ethylpiperidin-2-yl)pyridin-2-yl]-4-methylpiperazine | CAS Registry Number: 1352530-81-4
Synonyms: AKOS027451966, 1-Ethyl-2'-(4-methyl-piperazin-1-yl)-1,2,3,4,5,6-hexahydro-[2,3']bipyridinyl

Molecular Formula: C17H28N4Molecular Weight: 288.439 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: HNVBLAOTGGDUMO-UHFFFAOYSA-N

1352530-81-4
1-(3-(1-Ethylpiperidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-ethylpiperidin-2-yl)pyridin-2-yl]piperazine | CAS Registry Number: 1352498-86-2
Synonyms: AKOS027451090, 1-Ethyl-2'-piperazin-1-yl-1,2,3,4,5,6-hexahydro-[2,3']bipyridinyl

Molecular Formula: C16H26N4Molecular Weight: 274.412 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: VCOMEWIGXBHYGH-UHFFFAOYSA-N

1352498-86-2
1-(3-(1-Ethylpyrrolidin-2-yl)pyridin-2-yl)-4-methylpiperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-ethylpyrrolidin-2-yl)pyridin-2-yl]-4-methylpiperazine | CAS Registry Number: 1352539-55-9
Synonyms: AKOS027452189, 1-[3-(1-Ethyl-pyrrolidin-2-yl)-pyridin-2-yl]-4-methyl-piperazine

Molecular Formula: C16H26N4Molecular Weight: 274.412 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: BLNBEPWRWBDJKX-UHFFFAOYSA-N

1352539-55-9
1-(3-(1-Hydroxy-3-methylbutyl)-4-methoxyphenyl)ethan-1-one (5 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-hydroxy-3-methylbutyl)-4-methoxyphenyl]ethanone | CAS Registry Number: 148044-44-4

Molecular Formula: C14H20O3Molecular Weight: 236.311 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 3

InChIKey: LKMLLBCTPPDIRT-UHFFFAOYSA-N

148044-44-4
1-(3-(1-Hydroxyethyl)piperidin-1-yl)-2-(methylamino)ethan-1-one (1 supplier)2098117-97-4
1-(3-(1-Imidazolyl)phenyl)-5-(1-pyrrolyl)benzimidazole (0 suppliers)184173-76-0
1-(3-(1-Imidazolyl)phenyl)-5-(2,5-dimethylpyrrol-1-yl)benzimidazole (0 suppliers)184173-89-5
1-(3-(1-imidazolyl)phenyl)-5-(methoxymethyl)benzimidazole (0 suppliers)
Compound Structure IUPAC Name: 1-(3-imidazol-1-ylphenyl)-5-(methoxymethyl)benzimidazole | CAS Registry Number: 773858-23-4
Synonyms: SCHEMBL2655147

Molecular Formula: C18H16N4OMolecular Weight: 304.353 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3

InChIKey: RPEROYIZLDGOSN-UHFFFAOYSA-N

773858-23-4
1-(3-(1-Isobutyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)-n-methylmethanamine (1 supplier)2098121-48-1
1-(3-(1-Isobutyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine (1 supplier)2097994-41-5
1-(3-(1-Isobutylpiperidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-[1-(2-methylpropyl)piperidin-2-yl]pyridin-2-yl]piperazine | CAS Registry Number: 1352519-47-1
Synonyms: AKOS027451689, 1-Isobutyl-2'-piperazin-1-yl-1,2,3,4,5,6-hexahydro-[2,3']bipyridinyl

Molecular Formula: C18H30N4Molecular Weight: 302.466 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: AKAQEGNNAAFLKC-UHFFFAOYSA-N

1352519-47-1
1-(3-(1-Isobutylpyrrolidin-2-yl)pyridin-2-yl)-4-methylpiperazine (2 suppliers)
Compound Structure IUPAC Name: 1-methyl-4-[3-[1-(2-methylpropyl)pyrrolidin-2-yl]pyridin-2-yl]piperazine | CAS Registry Number: 1352530-73-4
Synonyms: AKOS027451962, 1-[3-(1-Isobutyl-pyrrolidin-2-yl)-pyridin-2-yl]-4-methyl-piperazine

Molecular Formula: C18H30N4Molecular Weight: 302.466 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: VQFVALZGIJGCHU-UHFFFAOYSA-N

1352530-73-4
1-(3-(1-Isobutylpyrrolidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-[1-(2-methylpropyl)pyrrolidin-2-yl]pyridin-2-yl]piperazine | CAS Registry Number: 1352498-73-7
Synonyms: 1-[3-(1-Isobutyl-pyrrolidin-2-yl)-pyridin-2-yl]-piperazine, AKOS027451087

Molecular Formula: C17H28N4Molecular Weight: 288.439 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: UQRPQPLDFFLFGY-UHFFFAOYSA-N

1352498-73-7
1-(3-(1-Isopropylpiperidin-2-yl)pyridin-2-yl)-4-methylpiperazine (2 suppliers)
Compound Structure IUPAC Name: 1-methyl-4-[3-(1-propan-2-ylpiperidin-2-yl)pyridin-2-yl]piperazine | CAS Registry Number: 1352539-80-0
Synonyms: AKOS027452196, 1-Isopropyl-2'-(4-methyl-piperazin-1-yl)-1,2,3,4,5,6-hexahydro-[2,3']bipyridinyl

Molecular Formula: C18H30N4Molecular Weight: 302.466 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 4

InChIKey: VGBDJSYSOXRUHZ-UHFFFAOYSA-N

1352539-80-0
1-(3-(1-Isopropylpiperidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-propan-2-ylpiperidin-2-yl)pyridin-2-yl]piperazine | CAS Registry Number: 1352527-37-7
Synonyms: AKOS027451875, 1-Isopropyl-2'-piperazin-1-yl-1,2,3,4,5,6-hexahydro-[2,3']bipyridinyl

Molecular Formula: C17H28N4Molecular Weight: 288.439 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: BQXACZFROBBEAK-UHFFFAOYSA-N

1352527-37-7
1-(3-(1-Isopropylpyrrolidin-2-yl)pyridin-2-yl)piperazine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-propan-2-ylpyrrolidin-2-yl)pyridin-2-yl]piperazine | CAS Registry Number: 1352519-36-8
Synonyms: 1-[3-(1-Isopropyl-pyrrolidin-2-yl)-pyridin-2-yl]-piperazine, AKOS027451685

Molecular Formula: C16H26N4Molecular Weight: 274.412 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: HALIMDBSNZYMLH-UHFFFAOYSA-N

1352519-36-8
1-(3-(1-Methoxyethyl)-1,2,4-oxadiazol-5-yl)ethamine (3 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-methoxyethyl)-1,2,4-oxadiazol-5-yl]ethanamine | CAS Registry Number: 1528545-97-2
Synonyms: AKOS018171078, 1-[3-(1-Methoxy-ethyl)-[1,2,4]oxadiazol-5-yl]-ethylamine

Molecular Formula: C7H13N3O2Molecular Weight: 171.200 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5

InChIKey: MBGLYKNVQICAKL-UHFFFAOYSA-N

1528545-97-2
1-(3-(1-Methyl-1H-pyrazol-3-yl)piperidin-1-yl)-2-(methylamino)ethan-1-one (1 supplier)2098089-01-9
1-(3-(1-METHYL-1H-PYRAZOL-4-YL)QUINOLIN-6-YL)ETHANAMINE (1 supplier)
1-(3-(1-Methyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine (2 suppliers)
Compound Structure IUPAC Name: 1-[3-(1-methylpyrrol-2-yl)-1,2,4-oxadiazol-5-yl]ethanamine | CAS Registry Number: 1934704-10-5
Synonyms: 1-(3-(1-methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine, AKOS026706416, F1907-0564

Molecular Formula: C9H12N4OMolecular Weight: 192.220 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4

InChIKey: YXGMJKGGJKFHQH-UHFFFAOYSA-N

1934704-10-5
1-(3-(1-Propyl-1h-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine (1 supplier)2097946-12-6
123351 to 123400 of 357817 results  Page: << Previous 50 Results 2460 2461 2462 2463 2464 2465 2466 2467 [2468] 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 >> Next 50 Results
Alphabetical Products   |   ALL 20,000 Suppliers
HomeBuyAdd FREE ListingAdvertise Chemical Company