Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,9-DIBROMOISOCHROMENO[6,5,4-DEF]ISOCHROMENE-1,3,6,8-TETRAONE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,9-DIBROMOISOCHROMENO[6,5,4-DEF]ISOCHROMENE-1,3,6,8-TETRAONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 4,9-DIBROMOISOCHROMENO[6,5,4-DEF]ISOCHROMENE-1,3,6,8-TETRAONE
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

83204-68-6

83204-68-6 structure

83204-68-6 structure

Name: 4,9-DIBROMOISOCHROMENO[6,5,4-DEF]ISOCHROMENE-1,3,6,8-TETRAONE
Chemical Name: 2,6-Dibromonaphthalene-1,4,5,8-tetracarboxylic Dianhydride
CAS Number: 83204-68-6
Molecular Formula: C₁₄H₂Br₂O₆
Molecular Weight: 425.97000
Create Date: 2018-12-24 16:24:42
Modify Date: 2025-08-25 12:55:53

Name	2,6-Dibromonaphthalene-1,4,5,8-tetracarboxylic Dianhydride
Synonyms	4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone

Melting Point	350 °C
Molecular Formula	C₁₄H₂Br₂O₆
Molecular Weight	425.97000
Exact Mass	423.82200
PSA	86.74000
LogP	2.98600

HS Code	2932999099

81-30-1 structure

81-30-1

~99%

83204-68-6 structure

83204-68-6

Literature: Chaignon, Frederique; Falkenstroem, Magnus; Karlsson, Susanne; Blart, Errol; Odobel, Fabrice; Hammarstroem, Leif Chemical Communications, 2007 , # 1 p. 64 - 66

81-30-1 structure

81-30-1

~%

846-20-8 structure

846-20-8

83204-68-6 structure

83204-68-6

Literature: NORTHWESTERN UNIVERSITY Patent: WO2007/146250 A2, 2007 ; Location in patent: Page/Page column 23-24 ;

81-30-1 structure

81-30-1

~%

943148-61-6 structure

943148-61-6

83204-68-6 structure

83204-68-6

Literature: BASF SE Patent: US2008/300405 A1, 2008 ; Location in patent: Page/Page column 17-18 ;

129-00-0 structure

129-00-0

~98%

83204-68-6 structure

83204-68-6

Literature: Bhosale, Sheshanath V.; Kalyankar, Mohan B.; Bhosale, Sidhanath V.; Langford, Steven J.; Reid, Ellen F.; Hogan, Conor F. New Journal of Chemistry, 2009 , vol. 33, # 12 p. 2409 - 2413

81-30-1 structure

81-30-1

15114-43-9 structure

15114-43-9

~%

83204-68-6 structure

83204-68-6

Literature: Ma, Lihua; Guo, Song; Sun, Jifu; Zhang, Caishun; Zhao, Jianzhang; Guo, Huimin Dalton Transactions, 2013 , vol. 42, # 18 p. 6478 - 6488

81-30-1 structure

81-30-1

~%

846-20-8 structure

846-20-8

83204-68-6 structure

83204-68-6

299962-88-2 structure

299962-88-2

Literature: Kishore, Ravuri S. K.; Ravikumar, Velayutham; Bernardinelli, Gerald; Sakai, Naomi; Matile, Stefan Journal of Organic Chemistry, 2008 , vol. 73, # 2 p. 738 - 740

Precursor 3
81-30-1 129-00-0 15114-43-9
DownStream 2
1100243-35-3 1088205-04-2

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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