Suzhou Chenghe Pharmaceutical & Chemical Co., Ltd.

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Profile: Suzhou Chenghe Pharmaceutical & Chemical Co., Ltd. is a producer of pharmaceutical intermediates and fine chemicals. We are an ISO 9001:2000 certified company. Our pharmaceutical intermediates include 2-methoxy-5-sulfamoyl methyl benzoate, 2-methoxyl-5-methylsulfonyl methyl benzoate, 2-methoxyl-4-amino-5-ethylsulfonylbenzoic acid, 2,3-dimethoxy-5-sulfamoylbenzoic acid, p-tert-butylbenzenesulfonamide, 4-chloro-3-nitro-5--sulfamoylbenzoic acid and 4-amino-6-trifluoromethyl-1,3-benzenedisulfonamide. We offer fine chemicals such as benzenesulfonyl chloride, 2,4,6-trimethylbenzenesulfonyl chloride, diphenyl sulfone, 2-nitro-4-methylsulfonylchlorobenzene, methyl 2-methoxybenzoate, 2,3-dimethoxybenzoic acid and methyl 4-amino-2-methoxybenzoate.

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• 2,3-Dimethoxybenzaldehyde

IUPAC Name: 2,3-dimethoxybenzaldehyde | CAS Registry Number: 86-51-1
Synonyms: o-Veratraldehyde, Benzaldehyde, 2,3-dimethoxy-, UPCMLD00WStructure66, o-Veratraldehyde (8CI), Spectrum2_001964, D130206_ALDRICH, SPBio_002087, EINECS 201-677-7, NSC6314, NSC 403661, CID66581, NSC51953, NSC403661, ZINC00157156, Benzaldehyde, 2,3-dimethoxy- (9CI), AI3-00141, LS-25014, ST5213349, TL8007016, InChI=1/C9H10O3/c1-11-8-5-3-4-7(6-10)9(8)12-2/h3-6H,1-2H

Molecular Formula:	C₉H₁₀O₃	Molecular Weight:	166.173900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: JIVGSHFYXPRRSZ-UHFFFAOYSA-N

• 3-Nitro-Benzenesulphonyl Chloride

IUPAC Name: 3-nitrobenzenesulfonyl chloride | CAS Registry Number: 121-51-7
Synonyms: 3-Nitrobenzenesulfonyl chloride, m-Nitrophenylsulfonyl chloride, 3-Nitrophenylsulfonyl chloride, Benzenesulfonyl chloride, 3-nitro-, Benzenesulfonyl chloride, m-nitro-, 254665_ALDRICH, 3-Nitrobenzenesulphonyl chloride, NSC9806, M-NITROBENZENESULFONYL CHLORIDE, NSC 9806, EINECS 204-476-2, Benzenesulfonyl chloride, m-nitro- (8CI), TL80073503, T0516-1641

Molecular Formula:	C₆H₄ClNO₄S	Molecular Weight:	221.618260 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: MWWNNNAOGWPTQY-UHFFFAOYSA-N

• 4-(2-Aminoethyl) Benzene Sulphonamide

IUPAC Name: 4-(2-aminoethyl)benzenesulfonamide | CAS Registry Number: 35303-76-5
Synonyms: 4-(2-Aminoethyl)benzenesulfonamide, TimTec1_004114, Oprea1_683536, CBDivE_002752, MLS000776589, 275247_ALDRICH, NSC29832, 4-(2-Aminoethyl)benzenesulphonamide, EINECS 252-501-0, aromatic/heteroaromatic sulfonamide 6, CID169682, SBB003544, Benzenesulfonamide, 4-(2-aminoethyl)-, SMR000371838, TL8006115, ZYX

Molecular Formula:	C₈H₁₂N₂O₂S	Molecular Weight:	200.258080 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: FXNSVEQMUYPYJS-UHFFFAOYSA-N

• 4,4'-Oxybis Benzene Sulphonyl Chloride(OBSC)

IUPAC Name: 4-(4-chlorosulfonylphenoxy)benzenesulfonyl chloride | CAS Registry Number: 121-63-1
Synonyms: 4,4'-Oxybenzenesulfonylchloride, Oxybis(benzenesulfonyl chloride), Bis(4-chlorosulfonylphenyl) ether, NSC212, Oxybis(4-benzenesulfonyl chloride), 4,4'-Oxydibenzenesulfonyl chloride, p,p'-Oxybis(benzenesulfonyl chloride), HSDB 5591, NSC 212, Benzenesulfonyl chloride, 4,4'-oxybis-, Benzenesulfonyl chloride, 4,4'-oxydi-, EINECS 204-488-8, Phenoxybenzene-4,4'-disulfonyl chloride, Diphenyl ether 4,4'-disulfonyl chloride, 4,4'-OXYBIS(BENZENESULFONYL CHLORIDE), 4,4'-Oxybis(benzene-1-sulphonyl) dichloride, Benzenesulfonyl chloride, 4,4'-oxydi- (8CI)

Molecular Formula:	C₁₂H₈Cl₂O₅S₂	Molecular Weight:	367.224920 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: HJKXLQIPODSWMB-UHFFFAOYSA-N

• 4-Chloro-3-Nitrobenzene Sulfonyl Chloride

IUPAC Name: 4-chloro-3-nitrobenzenesulfonyl chloride | CAS Registry Number: 97-08-5
Synonyms: Yellow Sulfon Chloride, C59408_ALDRICH, CID7323, EINECS 202-558-2, Benzenesulfonyl chloride, 4-chloro-3-nitro-, 4-Chloro-3-nitrobenzenesulphonyl chloride, KM 08399, 4-CHLORO-3-NITROBENZENESULFONYL CHLORIDE

Molecular Formula:	C₆H₃Cl₂NO₄S	Molecular Weight:	256.063320 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: SEWNAJIUKSTYOP-UHFFFAOYSA-N

• 4-Chloro-3-Sulfamoyl Benzoic Acid

IUPAC Name: 4-chloro-3-sulfamoylbenzoic acid | CAS Registry Number: 1205-30-7
Synonyms: CSBA, 4-Chloro-3-sulfamoylbenzoic acid, Sulfamido-3-chlorobenzoic acid, Oprea1_356117, 4-Chloro-5-sulphamoylbenzoic acid, 293598_ALDRICH, EINECS 214-882-1, CID14568, BRN 2118346, Benzoic acid, 3-(aminosulfonyl)-4-chloro-, BENZOIC ACID, 4-CHLORO-3-SULFAMOYL-, LS-36653, TL806358, ST5319885

Molecular Formula:	C₇H₆ClNO₄S	Molecular Weight:	235.644840 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: FHQAWINGVCDTTG-UHFFFAOYSA-N

• 4-Methyl Sulfonyl-Acetophenone

IUPAC Name: 1-(4-methylsulfonylphenyl)ethanone | CAS Registry Number: 10297-73-1
Synonyms: 4-(Methylsulfonyl)acetophenone, 549304_ALDRICH, 4'-(Methylsulfonyl)acetophenone, NSC403928, 4-METHYLSULFONYLACETOPHENONE, CID82529, EINECS 233-672-0, ZINC00153497, 1-(4-(Methylsulfonyl)phenyl)ethanone, Ethanone, 1-(4-methylsulfonylphenyl)-, FS000019, 1-(4-(Methylsulphonyl)phenyl)ethan-1-one, Ethanone, 1-[4-(methylsulfonyl)phenyl]-, ST5405742, TL8000138

Molecular Formula:	C₉H₁₀O₃S	Molecular Weight:	198.238900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: KAVZYDHKJNABPC-UHFFFAOYSA-N

• 4-Acetyl-benzenesulfonyl chloride

IUPAC Name: 4-acetylbenzenesulfonyl chloride | CAS Registry Number: 1788-10-9
Synonyms: NCIOpen2_007056, 4-Acetylbenzenesulfonyl chloride, Acetophenone-4-sulfonyl chloride, 00933_FLUKA, ALBB-001008, NSC104128, SBB005811, FS000881

Molecular Formula:	C₈H₇ClO₃S	Molecular Weight:	218.657380 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: FXVDNCRTKXMSEZ-UHFFFAOYSA-N

• 2,3-Dimethoxybenzoic Acid

IUPAC Name: 2,3-dimethoxybenzoic acid | CAS Registry Number: 1521-38-6
Synonyms: o-Veratric acid, Benzoic acid, 2,3-dimethoxy-, 2,3-DIMETHOXYBENZOIC ACID, D131407_ALDRICH, o-Veratric acid (6CI,7CI,8CI), EINECS 216-188-4, NSC 406133, CID15204, BRN 2210858, NSC406133, AI3-01432, LS-37120, ST5331796, 4-10-00-01415 (Beilstein Handbook Reference), InChI=1/C9H10O4/c1-12-7-5-3-4-6(9(10)11)8(7)13-2/h3-5H,1-2H3,(H,10,11

Molecular Formula:	C₉H₁₀O₄	Molecular Weight:	182.173300 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: FODBVCSYJKNBLO-UHFFFAOYSA-N

• 2-Methoxy-5-Methyl sulfonyl Benzoic Acid

IUPAC Name: 2-methoxy-5-methylsulfonylbenzoic acid | CAS Registry Number: 50390-76-6
Synonyms: 5-Mesyl-o-anisic acid, EINECS 256-573-4

Molecular Formula:	C₉H₁₀O₅S	Molecular Weight:	230.237700 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: BXWLVQXAFBWKSR-UHFFFAOYSA-N

• 2-Methoxy-5-Sulfamoyl Benzoic Acid

IUPAC Name: 2-methoxy-5-sulfamoylbenzoic acid | CAS Registry Number: 22117-85-7
Synonyms: 5-Sulphamoyl-o-anisic acid, EINECS 244-789-1, ST5407390

Molecular Formula:	C₈H₉NO₅S	Molecular Weight:	231.225760 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: SQAILWDRVDGLGY-UHFFFAOYSA-N

• 3-Nitro-4-Chloro-5-Sulfamoyl Benzoic Acid

IUPAC Name: 4-chloro-3-nitro-5-sulfamoylbenzoic acid | CAS Registry Number: 22892-96-2
Synonyms: EINECS 245-310-9, SBB003020, 4-Chloro-3-nitro-5-sulphamoylbenzoic acid, LS-36036

Molecular Formula:	C₇H₅ClN₂O₆S	Molecular Weight:	280.642400 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: ACYLUAGCBGTEJF-UHFFFAOYSA-N

• 4-Aminosulfonyl benzoic Acid

IUPAC Name: 4-sulfamoylbenzoic acid | CAS Registry Number: 138-41-0
Synonyms: Carzenide, Carzenid, Dirnate, 4-Sulfamoylbenzoic acid, Carzenide [INN], p-Sulfamylbenzoic acid, 4-Carboxybenzenesulfonamide, p-Sulfamoylbenzoic acid, Benzoic acid p-sulfamide, p-Sulfonamidobenzoic acid, p-Carboxybenzenesulfonamide, Carzenidum [INN-Latin], 4-(Aminosulfonyl)benzoic acid, 4-Sulfamoylbenzoesaeure, Carzenida [INN-Spanish], nchembio.157-comp10, Benzoic acid, 4-(aminosulfonyl)-, Benzoic acid 4-sulfamide, Maybridge1_002385, Benzoic Acid deriv. 31

Molecular Formula:	C₇H₇NO₄S	Molecular Weight:	201.199780 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: UCAGLBKTLXCODC-UHFFFAOYSA-N

• 4-Fluoro Phenyl Sulfonyl Chloride

IUPAC Name: 4-fluorobenzenesulfonyl chloride | CAS Registry Number: 349-88-2
Synonyms: 4-Fluorobenzenesulfonyl chloride, p-Fluorobenzenesulfonyl chloride, 4-Fluorophenylsulfonyl chloride, F6206_ALDRICH, Benzenesulfonyl chloride, 4-fluoro-, Benzenesulfonyl chloride, p-fluoro-, 4-Fluorobenzenesulphonyl chloride, 46670_FLUKA, TOS-BB-1128, EINECS 206-493-0, NSC140128, NSC 140128, P-FLUOROBENZENESULPHONYL CHLORIDE

Molecular Formula:	C₆H₄ClFO₂S	Molecular Weight:	194.611163 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: BFXHJFKKRGVUMU-UHFFFAOYSA-N

• 4-Nitrobenzene sulfonyl chloride

IUPAC Name: 4-nitrobenzenesulfonyl chloride | CAS Registry Number: 98-74-8
Synonyms: 4-Nitrobenzenesulfonyl chloride, 4-Nitrobenzenesulphonyl chloride, p-Nitrophenylsulfonyl chloride, 4-Nitrophenylsulfonyl chloride, Benzenesulfonyl chloride, p-nitro-, 170925_ALDRICH, 272248_ALDRICH, Benzenesulfonyl chloride, 4-nitro-, STOCK2S-65078, 4-Nitrobenzenesulfonic acid chloride, NSC9572, P-NITROBENZENESULFONYL CHLORIDE, NSC13065, EINECS 202-697-9, NSC 13065, Benzenesulfonyl chloride, p-nitro- (8CI), AI3-52248, TL8006052

Molecular Formula:	C₆H₄ClNO₄S	Molecular Weight:	221.618260 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: JXRGUPLJCCDGKG-UHFFFAOYSA-N

• 4-Bromo benzene sulfonyl chloride

IUPAC Name: 4-bromobenzenesulfonyl chloride | CAS Registry Number: 98-58-8
Synonyms: 4-Bromobenzenesulfonyl chloride, p-Bromophenylsulfonyl chloride, p-Bromobenzenesulfonyl chloride, Benzenesulfonyl chloride, 4-bromo-, 108669_ALDRICH, Benzenesulfonyl chloride, p-bromo-, 4-Bromobenzenesulphonyl chloride, 4-Bromobenzene sulfonyl chloride, 16370_FLUKA, NSC4506, NSC 4506, EINECS 202-683-2, P-BROMOBENZENESULPHONYL CHLORIDE, Benzenesulfonyl chloride, p-bromo- (8CI), ST5214706, TL8006046

Molecular Formula:	C₆H₄BrClO₂S	Molecular Weight:	255.516760 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: KMMHZIBWCXYAAH-UHFFFAOYSA-N

• 3-Nitro-4-chloro phenyl methyl sulfone

IUPAC Name: 1-chloro-4-methylsulfonyl-2-nitrobenzene | CAS Registry Number: 97-07-4
Synonyms: 3-Nitro-4-chlorophenyl methyl sulfone, 4-Chloro-3-nitrophenyl methyl sulfone, NSC25818, EINECS 202-557-7, NSC 25818, ZINC01509333, Sulfone, 4-chloro-3-nitrophenyl methyl, 4-CHLORO-3-NITROPHENYLMETHYLSULFONE, Benzene, 1-chloro-4-(methylsulfonyl)-2-nitro-, ST5409549, 1-Chloro-4-(methylsulphonyl)-2-nitrobenzene, Sulfone, 4-chloro-3-nitrophenyl methyl (8CI)

Molecular Formula:	C₇H₆ClNO₄S	Molecular Weight:	235.644840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: JAANTSGNTKWLFA-UHFFFAOYSA-N

• 4-Chlorophenyl methyl sulfone

IUPAC Name: 1-chloro-4-methylsulfonylbenzene | CAS Registry Number: 98-57-7
Synonyms: p-Chlorophenyl methyl sulfone, Sulfone, p-chlorophenyl methyl, Methyl 4-chlorophenyl sulfone, Maybridge1_004357, Methyl p-chlorophenyl sulfone, CCRIS 6733, Benzene, 1-chloro-4-(methylsulfonyl)-, 549037_ALDRICH, EINECS 202-682-7, 1-CHLORO-4-(METHYLSULFONYL)BENZENE, 1-Chloro-4-(methylsulphonyl)benzene, NSC 74456, NSC74456, BRN 0638281, SBB006326, ZINC00075300, NCGC00164204-01, LS-147989, TL8006879, 4-06-00-01582 (Beilstein Handbook Reference)

Molecular Formula:	C₇H₇ClO₂S	Molecular Weight:	190.647280 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: LMCOQDVJBWVNNI-UHFFFAOYSA-N

• 2,3-Dimethoxy-5-Sulfamoyl Benzoic Acid

IUPAC Name: 2,3-dimethoxy-5-sulfamoylbenzoic acid | CAS Registry Number: 66644-80-2
Synonyms: EINECS 266-433-4, BBV-015468, 2,3-Dimethoxy-5-sulphamoylbenzoic acid

Molecular Formula:	C₉H₁₁NO₆S	Molecular Weight:	261.251740 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: YEVQOPOKMKTXMD-UHFFFAOYSA-N

• 2-methoxy-5-sulfamoyl ethyl benzoate

IUPAC Name: ethyl 2-methoxy-5-sulfamoylbenzoate | CAS Registry Number: 33045-53-3
Synonyms: Ethyl 5-sulphamoyl-o-anisate, ZINC02244033, EINECS 251-359-7, CID118391

Molecular Formula:	C₁₀H₁₃NO₅S	Molecular Weight:	259.278920 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	6

InChIKey: ZQSFLXDMGBSJKV-UHFFFAOYSA-N

• 2-methoxyl-5-ethylsulfonylbenzoic acid

IUPAC Name: 5-ethylsulfonyl-2-methoxybenzoic acid | CAS Registry Number: 4840-63-5
Synonyms: 5-(Ethylsulphonyl)-o-anisic acid, EINECS 225-426-6

Molecular Formula:	C₁₀H₁₂O₅S	Molecular Weight:	244.264280 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: NBFYWQQYIJTQQV-UHFFFAOYSA-N

• 2-methoxyl-5-ethylsulfonyl methyl benzoate

IUPAC Name: methyl 5-ethylsulfonyl-2-methoxybenzoate | CAS Registry Number: 62140-67-4
Synonyms: Methyl 5-(ethylsulphonyl)-o-anisate, EINECS 263-429-4, CID6454351

Molecular Formula:	C₁₁H₁₄O₅S	Molecular Weight:	258.290860 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: UUARTHQJSZTOEM-UHFFFAOYSA-N

• 2-methoxyl-4-amine-5-ethylsulfonylbenzoic acid

IUPAC Name: 4-amino-5-ethylsulfonyl-2-methoxybenzoic acid | CAS Registry Number: 71675-87-1
Synonyms: ALBB-006392, EINECS 275-833-8, 4-Amino-5-(ethylsulphonyl)-o-anisic acid, 4-amino-5-(ethylsulfonyl)-2-methoxybenzoic acid

Molecular Formula:	C₁₀H₁₃NO₅S	Molecular Weight:	259.278920 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: OJVNCXHGGYYOPH-UHFFFAOYSA-N

• 2-methoxyl-4-amine-5-ethylsulfonyl methyl benzoate

IUPAC Name: methyl 4-amino-5-ethylsulfonyl-2-methoxybenzoate | CAS Registry Number: 80036-89-1
Synonyms: Methyl 4-amino-5-ethylsulfonyl-2-methoxybenzoate, methyl 4-amino-5-(ethylsulfonyl)-2-methoxybenzoate, SBB066400, AG-H-20824, SureCN12070949, AGN-PC-00K12B, CTK5E7384, MolPort-001-768-332, ANW-44580, ZINC16123605, AKOS015843676, AC-6118, LS11430, RP29684, AK-87040, KB-87270, FT-0645038, A839813, methyl 4-amino-5-(ethanesulfonyl)-2-methoxybenzoate, methyl 4-azanyl-5-ethylsulfonyl-2-methoxy-benzoate

Molecular Formula:	C₁₁H₁₅NO₅S	Molecular Weight:	273.305500 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	6

InChIKey: BBWJVKZAKHIKRQ-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

• 2-Methyl-5-nitrobenzenesulfonyl chloride

IUPAC Name: 2-methyl-5-nitrobenzenesulfonyl chloride | CAS Registry Number: 121-02-8
Synonyms: WLN: WSGR B1 ENW, 5-Nitro-o-toluenesulfonyl chloride, 4-Nitrotoluen-2-sulfochlorid, o-Toluenesulfonyl chloride, 5-nitro-, NSC49752, 4-Nitrotoluene-2-sulphonyl chloride, EINECS 204-444-8, CID8457, NSC 49752, 4-Nitrotoluen-2-sulfochlorid [Czech], BRN 2697079, 4-Nitrotoluen-2-sulfonylchlorid [Czech], BTB 05516, Benzenesulfonyl chloride, 2-methyl-5-nitro-, 2-METHYL-5-NITROBENZENESULFONYL CHLORIDE, LS-154194, 4-11-00-00236 (Beilstein Handbook Reference), Benzenesulfonyl chloride, 2-methyl-5-nitro- (9CI)

Molecular Formula:	C₇H₆ClNO₄S	Molecular Weight:	235.644840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: WPGVQDHXOUAJBW-UHFFFAOYSA-N

• 4-Chlorobenzenesulfinic acid sodium salt

IUPAC Name: 4-chlorobenzenesulfinate | CAS Registry Number: 14752-66-0
Synonyms: ZINC04242322, CID277294, ZINC01694250

Molecular Formula:	C₆H₄ClO₂S-	Molecular Weight:	175.612760 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: AOQYAMDZQAEDLO-UHFFFAOYSA-M

• 4-tert-Butylbenzenesulfonyl chloride

IUPAC Name: 4-tert-butylbenzenesulfonyl chloride | CAS Registry Number: 15084-51-2
Synonyms: 4-t-Butylbenzenesulfonyl chloride, 269670_ALDRICH, ALBB-000980, NSC186263, SBB006569

Molecular Formula:	C₁₀H₁₃ClO₂S	Molecular Weight:	232.727020 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: YEZADZMMVHWFIY-UHFFFAOYSA-N