Benzenesulfonyl azide, 2,5-dibromo-, also known as 2,5-dibromo-4-(phenylsulfonyl)-1H-1,2,3-triazole-1-carbonitrile, is a chemical compound with the molecular formula C7H4Br2N4O2S. It is a white crystalline solid that is soluble in organic solvents such as acetone, dichloromethane, and dimethyl sulfoxide. Benzenesulfonyl azide, 2,5-dibromo- is primarily used as a reagent in organic synthesis, particularly for the preparation of various heterocyclic compounds and as a protecting group in peptide synthesis. Due to its reactivity and potential hazards, it should be handled with care and used in a controlled environment.

7257-93-4

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Basic information
1. Product Name: Benzenesulfonyl azide, 2,5-dibromo-
2. Synonyms:
3. CAS NO:7257-93-4
4. Molecular Formula: C6H3Br2N3O2S
5. Molecular Weight: 340.983
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Benzenesulfonyl azide, 2,5-dibromo-(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzenesulfonyl azide, 2,5-dibromo-(7257-93-4)
11. EPA Substance Registry System: Benzenesulfonyl azide, 2,5-dibromo-(7257-93-4)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 7257-93-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7257-93-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7257-93:
(6*7)+(5*2)+(4*5)+(3*7)+(2*9)+(1*3)=114
114 % 10 = 4
So 7257-93-4 is a valid CAS Registry Number.

7257-93-4Upstream product

7257-93-4Downstream Products

1204768-37-5 (E)-N'-(2,5-dibromophenylsulfonyl)-N,N-diethylformimidamide

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