4,6-Diamino-benzene-1,3-disulfonyl chloride, also known as 4,6-diamino-1,3-benzenedisulfonyl dichloride, is an organic compound with the chemical formula C6H6Cl2N2O4S2. It is a white crystalline solid that is soluble in water and various organic solvents. 4,6-diamino-benzene-1,3-disulfonyl chloride is an important intermediate in the synthesis of various pharmaceuticals, dyes, and other chemical products. It is synthesized through the reaction of 4,6-diamino-1,3-benzenedisulfonic acid with phosphorus pentachloride or thionyl chloride. Due to its reactivity, it is used in the preparation of sulfonamide drugs, azo dyes, and other specialty chemicals. The compound is also known for its potential applications in the development of new materials and as a building block in organic synthesis.

7257-98-9

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Basic information
1. Product Name: 4,6-diamino-benzene-1,3-disulfonyl chloride
2. Synonyms:
3. CAS NO:7257-98-9
4. Molecular Formula:
5. Molecular Weight: 305.163
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: 4,6-diamino-benzene-1,3-disulfonyl chloride(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,6-diamino-benzene-1,3-disulfonyl chloride(7257-98-9)
11. EPA Substance Registry System: 4,6-diamino-benzene-1,3-disulfonyl chloride(7257-98-9)
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: 7257-98-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7257-98-9 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 7257-98:
(6*7)+(5*2)+(4*5)+(3*7)+(2*9)+(1*8)=119
119 % 10 = 9
So 7257-98-9 is a valid CAS Registry Number.

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