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5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI)

CAS No.
78633-41-7
Chemical Name:
5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI)
Synonyms
2-Oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonyl chloride;2-ox-3H-1,3-benzoxazole-5-sulfonyl chloride;5-Benzoxazolesulfonyl chloride, 2,3-dihydro-2-oxo-;5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI);2-oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl chloride(SALTDATA: FREE)
CBNumber:
CB61287952
Molecular Formula:
C7H4ClNO4S
Molecular Weight:
233.63
MDL Number:
MFCD04629624
MOL File:
78633-41-7.mol
MSDS File:
SDS
Last updated:2026-05-28 01:58:25

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) Properties

Melting point 229-230 °C
Density 1.683±0.06 g/cm3(Predicted)
storage temp. Storage temp. 2-8°C
pka 7.85±0.70(Predicted)
Appearance Off-white to light yellow Solid

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P405-P501

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth DDA63341 2-Oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl Chloride 78633-41-7 2.5g $501.5 2026-06-04 Buy
Matrix Scientific 134962 2-Oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl chloride 78633-41-7 1.00g $135 2026-05-18 Buy
Matrix Scientific 134962 2-Oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl chloride 78633-41-7 5.00g $635 2026-05-18 Buy
Matrix Scientific 134962 2-Oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl chloride 78633-41-7 10.00g $1266 2026-05-18 Buy
Ambeed A489357 2-Oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonyl chloride 95% 78633-41-7 100mg $29 2026-06-05 Buy
Product number Packaging Price Buy
DDA63341 2.5g $501.5 Buy
134962 1.00g $135 Buy
134962 5.00g $635 Buy
134962 10.00g $1266 Buy
A489357 100mg $29 Buy

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) Suppliers

Global Suppliers ( 30)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Shanghai Raise Chemical Technology Co.,Ltd 15026594951 rs@raise-chem.com China 4904 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Aikon International Limited 025-58859352 19370895928 sales01@aikonchem.com China 15078 58
Yujinpharma(Tianjin) Technology Co.,Ltd. 13370351217 kungfu1217@1 kungfu1217@163.com China 7991 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
Taizhou Nanfeng Pharmaceutical Research Institute nanfengpharma@126.co 18616377689 nanfengpharma@126.com China 20008 58
Zhengzhou Alpha Chemical Co. LTD 0371-53732842 13383863444 3838551451@qq.com China 9996 58
Nanjing Shizhou Biology Technology Co.,Ltd 025-85560043 13675144456 sean.lv@synzest.com China 11432 58
Block Chemical Technology (Shanghai) Co., Ltd. 021-20432219 13918097649 li_jinfei@acblock-lab.com China 10000 58

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) Spectrum

5-Benzoxazolesulfonylchloride,2,3-dihydro-2-oxo-(9CI) 2-oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonyl chloride(SALTDATA: FREE) 5-Benzoxazolesulfonyl chloride, 2,3-dihydro-2-oxo- 2-ox-3H-1,3-benzoxazole-5-sulfonyl chloride 2-Oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonyl chloride 78633-41-7 SULFONYLHALIDE