ChemicalBook >> CAS DataBase List >>(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide structure

CAS No.: 147200-03-1

Chemical Name:: (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide

Synonyms: N-[(4S,6S)-6-METHYL-7,7-DIOXO-2-SULFAMOYL-5,6-DIHYDRO-4H-THIENO[2,3-B]THIOPYRAN-4-YL]ACETAMIDE;Dorzolamide Impurity 5;Dorzolamide N-Acetyl Analog;Dorzolomide hydrochloride int9;Dorzolomide hydrochloride intermediate-9;Dorzolamide N-Desethyl N-Acetyl Impurity;N-(4S,6S)-4-ACETAMIDE-5,6-DIHYDRO-6-METHYL-2-SULFO...;(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,;(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3...;N-[(4S,6S)-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]

CBNumber:: CB01030721

Molecular Formula:: C10H14N2O5S3

Molecular Weight:: 338.42

MDL Number:: MFCD12407171

MOL File:: 147200-03-1.mol

MSDS File:: SDS

Last updated:2025-07-04 15:19:53

Product description	Number	Pack Size	Price
N-[(4S,6S)-2-(Aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-4-yl]acetamide	M303585	500mg	$180
N-((4S,6S)-6-METHYL-7,7-DIOXIDO-2-SULFAMOYL-5,6-DIHYDRO-4H-THIENO[2,3-B]THIOPYRAN-4-YL)ACETAMIDE 95.00%	CHM0393553	5MG	$496.42
DorzolamideImpurity3	J11678	1g	$250
N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide 95+%	092491	1g	$265
N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide 95+%	A110699	25g	$291
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(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide Properties

Density	1.62
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
solubility	DMSO (Slightly), Methanol (Very Slightly, Sonicated)
pka	9.38±0.60(Predicted)
form	Solid
color	White
InChI	InChI=1S/C10H14N2O5S3/c1-5-3-8(12-6(2)13)7-4-9(20(11,16)17)18-10(7)19(5,14)15/h4-5,8H,3H2,1-2H3,(H,12,13)(H2,11,16,17)/t5-,8-/m0/s1
InChIKey	MQRCTNZVQVRCRD-XNCJUZBTSA-N
SMILES	C(N[C@H]1C[C@H](C)S(=O)(=O)C2SC(S(N)(=O)=O)=CC=21)(=O)C

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08,GHS02
Signal word	Danger
Hazard statements	H304-H402-H226
Precautionary statements	P501-P273-P240-P210-P233-P243-P241-P242-P280-P370+P378-P331-P303+P361+P353-P301+P310-P403+P235-P405

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide price More Price(15)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	M303585	N-[(4S,6S)-2-(Aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-4-yl]acetamide	147200-03-1	500mg	$180	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0393553	N-((4S,6S)-6-METHYL-7,7-DIOXIDO-2-SULFAMOYL-5,6-DIHYDRO-4H-THIENO[2,3-B]THIOPYRAN-4-YL)ACETAMIDE 95.00%	147200-03-1	5MG	$496.42	2021-12-16	Buy
AK Scientific	J11678	DorzolamideImpurity3	147200-03-1	1g	$250	2021-12-16	Buy
Matrix Scientific	092491	N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide 95+%	147200-03-1	1g	$265	2021-12-16	Buy
Ambeed	A110699	N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide 95+%	147200-03-1	25g	$291	2021-12-16	Buy

Product number	Packaging	Price	Buy
M303585	500mg	$180	Buy
CHM0393553	5MG	$496.42	Buy
J11678	1g	$250	Buy
092491	1g	$265	Buy
A110699	25g	$291	Buy

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide Chemical Properties,Uses,Production

Uses

N-[(4S,6S)-2-(Aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-4-yl]acetamide is used as a reagent in the synthesis of MK-0507, a topically-active carbonic anhydrase inhibitor.

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide synthesis

Synthesis of (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide from (S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide Preparation Products And Raw materials

Raw materials

4H-Thieno[2,3-b]thiopyran-2-sulfonyl chloride, 5,6-dihydro-6-methyl-4-oxo-, (6S)- 4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-6-methyl-4-oxo-, 7,7-dioxide, (S)- (9CI) Dorzolamide Impurity 5 (S)-6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one (6S)-4-Oxo-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

Acetonitrile

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Preparation Products

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide Suppliers

Global( 133)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Sichuan Zhuoyu Yantang Technology Co., Ltd.	+8613288715578	sales@sichuanzyyt.com	China	12247	58
Hebei Fengjia New Material Co., Ltd	+86-0311-87836622 +86-18712993135	sales01@tairunfaz.com	China	8051	58
Beijing Cooperate Pharmaceutical Co.,Ltd	010-60279497	sales01@cooperate-pharm.com	CHINA	1803	55
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21620	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29850	58
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10405	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2953	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Shanghai Yingrui Biopharma Co.,Ltd	21-33585366	export01@shyrchem.com	CHINA	1319	58

Supplier	Advantage
Sichuan Zhuoyu Yantang Technology Co., Ltd.	58
Hebei Fengjia New Material Co., Ltd	58
Beijing Cooperate Pharmaceutical Co.,Ltd	55
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Shenzhen Nexconn Pharmatechs Ltd	58
Hubei Jusheng Technology Co.,Ltd.	58
Jinan Finer Chemical Co., Ltd	58
Standardpharm Co. Ltd.	58
Shanghai Yingrui Biopharma Co.,Ltd	58

View Lastest Price from (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-08-13	(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7, 147200-03-1	US $0.00 / KG	1KG	99%	50000KG/month	Sichuan Zhuoyu Yantang Technology Co., Ltd.
2025-05-26	(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide 147200-03-1	US $2.00 / kg	1kg	0.99	10000	Hebei Fengjia New Material Co., Ltd
2019-07-06	(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide 147200-03-1	US $7.00 / kg	1kg	99%	100kg	Career Henan Chemical Co

(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,
147200-03-1
US $0.00 / KG
99%
Sichuan Zhuoyu Yantang Technology Co., Ltd.

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide
147200-03-1
US $2.00 / kg
0.99
Hebei Fengjia New Material Co., Ltd

(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide
147200-03-1
US $7.00 / kg
99%
Career Henan Chemical Co

147200-03-1((4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide)Related Search:

N-Deethyl Dorzolamide rac-cis Dorzolamide dorzolamide hydrochloride Dorzolamide Hydrochloride DorzolaMide

Dorzolamide Dorzolamide Impurity 32 dorzolamide Dorzolamide Impurity 3 (4S,6S)-5,6-Dihydro-4-hydroxy-6-Methylthieno[2,3-b]thiopyran-7,7-dioxide

Dorzolamide Impurity 27 N-Deethyl DorzolaMide Hydrochloride DoMperidone EP IMpurity F Domperidone maleate DoMperidoneiMpurityE

DoMperidone DoMperidone EP IMpurity D 5-Chloro-1-(4-piperidyl)-2-benzimidazolinone

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(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide Acetamide,N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno-[2,3-b] thiopyran-4-yl]-,(4S-trans)- N-[(4S,6S)-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b] N-[(4S,6S)-6-METHYL-7,7-DIOXO-2-SULFAMOYL-5,6-DIHYDRO-4H-THIENO[2,3-B]THIOPYRAN-4-YL]ACETAMIDE (4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7, (4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno-[2,3-b] thiopyran-4-yl]-acetamide N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfaMoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetaMide (4S-TRANS)-N-[2-(AMINOSULFONYL)-5,6-DIHYDRO-6-METHYL-7,7-DIOXIDE-4H-THIENO-[2,3-B]THIOPYRAN-4-YL]-ACETAMIDE Dorzolomide hydrochloride intermediate-9 N-((4S,6S)-6-Methyl-7,7-dioxo-2-sulfamoyl-4,5,6,7-tetrahydro-7lambda*6*-thieno[2,3-b]thiopyran-4-yl)-acetamide 4-(Acetamido)-5,6-dihydro-(S)-6-methyl- 4H-thieno [2,3-b]thiopyran-2- sulphonamide 7,7-dioxide N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetami N-(4S,6S)-4-ACETAMIDE-5,6-DIHYDRO-6-METHYL-2-SULFO... N-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl]acetamide N-[4S,6S)-6-Methyl-7,7-dioxo-2-sulfomyl-5,6-dihydro-4H-thieno[2,3-b] thiopyran-4-yl] acetamide Dorzolamide Impurity 5 Dorzolamide N-Acetyl Analog Dorzolomide hydrochloride int9 Dorzolamide N-Desethyl N-Acetyl Impurity Acetamide, N-[(4S,6S)-2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-4-yl]- N-[(4s,6s)-6-methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-1H-thieno[2,3-b]thiopyran-4-yl]acetamide (4-trans)-N-[2-(Aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno-[2,3-b]thiopyran-4-yl]-Acetamide (4S,6S)-4-(acetyl amino)-5,6-dihydro-6-methyl-4H-thieno[2,3]thiopyran-2-sulfonamide-7,7-dioxide (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3... C10H14N2O5S3 (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide 147200-03-1 (4S)-4-Acetamido-5,6-dihydro-6-methyl-2-sulfonamide-thieno[2,3-b]thiopyran 7,7-dioxide N-[(4S,6S)-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-β]thiopyran-4-yl]acetamide 147200-03-1 C10H14N2O5S3