Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 8-methyl-9,9-dioxo-9$l^{6}-thia-8-azabicyclo[4.4.0]deca-1,3,5-trien-7- one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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21784-54-3

21784-54-3 structure

21784-54-3 structure

Name: 8-methyl-9,9-dioxo-9$l^{6}-thia-8-azabicyclo[4.4.0]deca-1,3,5-trien-7- one
Chemical Name: 3-methyl-2,2-dioxo-1H-2λ6,3-benzothiazin-4-one
CAS Number: 21784-54-3
Molecular Formula: C₉H₉NO₃S
Molecular Weight: 211.23800
Create Date: 2016-11-21 01:22:06
Modify Date: 2024-04-04 16:31:05

Name	3-methyl-2,2-dioxo-1H-2λ6,3-benzothiazin-4-one
Synonyms	3-Methyl-3,4-dihydro-4-oxo-1H-2,3-benzothiazin-S-dioxid

Density	1.404g/cm3
Boiling Point	382.7ºC at 760 mmHg
Molecular Formula	C₉H₉NO₃S
Molecular Weight	211.23800
Flash Point	185.3ºC
Exact Mass	211.03000
PSA	62.83000
LogP	1.62070
Vapour Pressure	4.62E-06mmHg at 25°C
Index of Refraction	1.599

HS Code	2914399090

51045-37-5 structure

51045-37-5

~%

21784-54-3 structure

21784-54-3

Literature: Sianesi; Redaelli; Magistretti; Massarani Journal of Medicinal Chemistry, 1973 , vol. 16, # 10 p. 1133 - 1137

Precursor 1
51045-37-5
DownStream 0

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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