Cas no 6357-99-9 (1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo-)

1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo- structure
6357-99-9 structure
Product Name:1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo-
CAS No:6357-99-9
MF:C12H7NO6S
MW:293.252082109451
CID:514069
Update Time:2026-04-29

1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo- Chemical and Physical Properties

Names and Identifiers

    • 1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo-
    • 4-amino-3-sulfo-1,8-naphthalic anhydride
    • 6-amino-1,3-dioxo-1h,3h-benzo[de]isochromene-5-sulfonic acid
    • Naphthalic anhydride,4-amino-3-sulfo

Computed Properties

  • Exact Mass: 292.99900

Experimental Properties

  • PSA: 132.14000
  • LogP: 2.64130

1H,3H-Naphtho[1,8-cd]pyran-5-sulfonicacid, 6-amino-1,3-dioxo- Customs Data

  • HS CODE:2932999099
  • Customs Data:

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    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%

Recommended suppliers
Shanghai Bent Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
SunaTech Inc.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
SunaTech Inc.
Hangzhou TSurgeX Pharmaceutical Technology Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Hangzhou TSurgeX Pharmaceutical Technology Co., Ltd.
Hubei Cuiyuan Biotechnology Co.,Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Hubei Cuiyuan Biotechnology Co.,Ltd
Jinan Hanyu Chemical Co.,Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Jinan Hanyu Chemical Co.,Ltd.