Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Bromo-5,6-dihydro-2H-pyran-2-one
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-PYRAN-2-ONE, 3-BROMO-5,6-DIHYDRO-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

104184-64-7

104184-64-7 structure

104184-64-7 structure

Name: 2H-PYRAN-2-ONE, 3-BROMO-5,6-DIHYDRO-
Chemical Name: 5-bromo-2,3-dihydropyran-6-one
CAS Number: 104184-64-7
Molecular Formula: C₅H₅BrO₂
Molecular Weight: 176.99600
Create Date: 2018-12-07 13:03:19
Modify Date: 2025-09-26 08:30:17

Name	5-bromo-2,3-dihydropyran-6-one
Synonyms	3-bromo-5,6-dihydropyran-2-one 2H-Pyran-2-one,3-bromo-5,6-dihydro 3-bromo-5,6-dihydro-2H-pyran-2-one

Molecular Formula	C₅H₅BrO₂
Molecular Weight	176.99600
Exact Mass	175.94700
PSA	26.30000
LogP	1.21210

HS Code	2932999099

3393-45-1 structure

3393-45-1

~92%

104184-64-7 structure

104184-64-7

Literature: Banwell, Martin G.; Jones, Matthew T.; Loong, David T.J.; Lupton, David W.; Pinkerton, David M.; Ray, Jayanta K.; Willis, Anthony C. Tetrahedron, 2010 , vol. 66, # 47 p. 9252 - 9262

Precursor 1
3393-45-1
DownStream 3
19978-33-7 19978-32-6 156496-85-4

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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