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21211-28-9

21211-28-9 structure

21211-28-9 structure

Name: methyl 3-hydroxy-1,1-dioxo-1-benzothiophene-2-carboxylate
Chemical Name: methyl 3-hydroxy-1,1-dioxo-1-benzothiophene-2-carboxylate
CAS Number: 21211-28-9
Molecular Formula: C₁₀H₈O₅S
Molecular Weight: 240.23300
Create Date: 2016-02-29 05:12:16
Modify Date: 2025-09-28 08:39:13

Name	methyl 3-hydroxy-1,1-dioxo-1-benzothiophene-2-carboxylate
Synonyms	EINECS 244-272-0 Methyl 1,1-dioxy-3-hydroxythianaphthene-2-carboxylate

Density	1.592g/cm3
Boiling Point	435.7ºC at 760mmHg
Molecular Formula	C₁₀H₈O₅S
Molecular Weight	240.23300
Flash Point	217.3ºC
Exact Mass	240.00900
PSA	89.05000
LogP	1.95430
Vapour Pressure	2.31E-08mmHg at 25°C
Index of Refraction	1.648

HS Code	2934999090

26759-41-1 structure

26759-41-1

~74%

21211-28-9 structure

21211-28-9

Literature: Svoboda, Jiri; Nic, Miloslav; Palecek, Jaroslav Collection of Czechoslovak Chemical Communications, 1993 , vol. 58, # 3 p. 592 - 599

Precursor 1
26759-41-1
DownStream 0

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

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