1H-Pyrido[3,2-b][1,4]benzothiazine

Modify Date: 2025-08-22 17:23:39

1H-Pyrido[3,2-b][1,4]benzothiazine Structure
1H-Pyrido[3,2-b][1,4]benzothiazine structure
 Common Name 1H-Pyrido[3,2-b][1,4]benzothiazine
CAS Number 261-96-1 Molecular Weight 200.260
Density 1.3±0.1 g/cm3 Boiling Point 402.1±14.0 °C at 760 mmHg
Molecular Formula C11H8N2S Melting Point 112 °C
MSDS N/A Flash Point 197.0±20.1 °C

 Names

Name 10H-pyrido[3,2-b][1,4]benzothiazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 402.1±14.0 °C at 760 mmHg
Melting Point 112 °C
Molecular Formula C11H8N2S
Molecular Weight 200.260
Flash Point 197.0±20.1 °C
Exact Mass 200.040817
PSA 50.22000
LogP 2.80
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.684
InChIKey UKDZROJJLPDLDO-UHFFFAOYSA-N
SMILES c1ccc2c(c1)Nc1ncccc1S2

 Safety Information

HS Code 2934999090

 Synthetic Route

2-Anilinopyridine structure

2-Anilinopyridine

CAS#:6631-37-4

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Atkinson; Russ; Tucker Journal of medicinal chemistry, 1971 , vol. 14, # 10 p. 1005 - 1007
2,3-Dibromopyridine structure

2,3-Dibromopyridine

CAS#:13534-89-9

Benzo[d]thiazol-2-amine structure

Benzo[d]thiazol...

CAS#:136-95-8

~40%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Beresneva; Abele Chemistry of Heterocyclic Compounds, 2012 , vol. 48, # 9 p. 1420 - 1422 Khim. Geterotsikl. Soedin., 2012 , vol. 48, # 9 p. 1521 - 1524,3
2-Aminopyridine structure

2-Aminopyridine

CAS#:504-29-0

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Madrid, Peter B.; Polgar, Willma E.; Toll, Lawrence; Tanga, Mary J. Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 11 p. 3014 - 3017
Bromobenzene structure

Bromobenzene

CAS#:108-86-1

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Madrid, Peter B.; Polgar, Willma E.; Toll, Lawrence; Tanga, Mary J. Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 11 p. 3014 - 3017
2-[(3-NITRO-2-PYRIDINYL)SULFANYL]ANILINE structure

2-[(3-NITRO-2-P...

CAS#:92316-06-8

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Kushwaha, Khushbu; Sakhuja, Rajeev; Jain, Subhash C. Medicinal Chemistry Research, 2013 , vol. 22, # 9 p. 4459 - 4467
N-[2-(3-nitropyridin-2-yl)sulfanylphenyl]acetamide structure

N-[2-(3-nitropy...

CAS#:91902-18-0

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Kushwaha, Khushbu; Sakhuja, Rajeev; Jain, Subhash C. Medicinal Chemistry Research, 2013 , vol. 22, # 9 p. 4459 - 4467
N/A structure

N/A

CAS#:95873-97-5

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Yale; Sowinski Journal of the American Chemical Society, 1958 , vol. 80, p. 1651,1653
2-Aminothiophenol structure

2-Aminothiophenol

CAS#:137-07-5

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Yale; Sowinski Journal of the American Chemical Society, 1958 , vol. 80, p. 1651,1653
molecular iodine structure

molecular iodine

CAS#:7553-56-2

2-Anilinopyridine structure

2-Anilinopyridine

CAS#:6631-37-4

~%

1H-Pyrido[3,2-b][1,4]benzothiazine Structure

1H-Pyrido[3,2-b...

CAS#:261-96-1

Literature: Gennaro Journal of Organic Chemistry, 1959 , vol. 24, p. 1156

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

10H-Pyrido[3,2-b][1,4]benzothiazine
1H-Pyrido[3,2-b][1,4]benzothiazine
1-Azaphenothiazine
10H-Benzo[b]pyrido[2,3-e][1,4]thiazin
10H-Benzo[b]pyrido[2,3-e][1,4]thiazine
4-azaphenothiazine
10H-pyrido<3,2-b><1,4>benzothiazine
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