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22503-72-6

Basic Information
CAS No.: 22503-72-6
Name: IDRA 21
Article Data: 7
Molecular Structure:
Molecular Structure of 22503-72-6 (IDRA 21)
Formula: C8H9 Cl N2 O2 S
Molecular Weight: 232.691
Synonyms: IDRA 21
Density: 1.394g/cm3
Melting Point: 209 °C(Solv: acetic acid (64-19-7))
Boiling Point: 405.1°Cat760mmHg
Flash Point: 198.8°C
Safety:
Safety Statements 24/25
WGK Germany 3
PSA: 66.58000
LogP: 2.93740
Synthetic route
5790-69-2

2-amino-5-chlorobenzenesulfonamide

64-17-5

ethanol

22503-72-6

IDRA 21

Conditions
ConditionsYield
With tert.-butylhydroperoxide at 110℃; for 12h;80%
5790-69-2

2-amino-5-chlorobenzenesulfonamide

75-07-0

acetaldehyde

22503-72-6

IDRA 21

Conditions
ConditionsYield
In acetonitrile
With camphorsulfonic acid In acetonitrile at 20℃; Sealed tube;
90794-87-9

4-Chlor-2-acetylsulfamoyl-acetanilid

22503-72-6

IDRA 21

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. NaOH
2: acetonitrile
View Scheme
17800-60-1

2-acetylamino-benzenesulfonic acid acetylamide

22503-72-6

IDRA 21

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Cl2 / acetic acid
2: aq. NaOH
3: acetonitrile
View Scheme
22503-72-6

IDRA 21

19900-92-6

N-acetyl-5-chloro-2-nitrobenzenesulfonamide

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 12h; Cooling with ice;99%
22503-72-6

IDRA 21

38443-06-0

5-chloro-2-(ethylamino)benzenesulfonamide

Conditions
ConditionsYield
With sodium cyanoborohydride In acetic acid at 20℃; for 3h; regioselective reaction;93%
22503-72-6

IDRA 21

5790-62-5

2-amino-5-chloro-N-ethylbenzenesulfonamide

Conditions
ConditionsYield
With sodium cyanoborohydride In ethanol; water at 70℃; for 6h; regioselective reaction;86%
22503-72-6

IDRA 21

C16H14Cl2N4O6S2

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 12h; Cooling with ice;19%
22503-72-6

IDRA 21

74-88-4

methyl iodide

38442-77-2

(+/-)-7-chloro-2,3-dimethyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 70 - 80℃;
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  • Casno:

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    Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been m

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    The company is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds,

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    Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

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  • IDRA 21 Manufacturer 22503-72-6 Pharmaceutical Raw Materials

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    Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. pharmaceutical field in

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    Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

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