Bis-(4-propoxy-3-nitro-phenyl)-sulfon, also known as 4,4'-(1,1'-sulfonylbis(4,1-phenylene))bis(2-methoxy-5-nitrophenol), is an organic compound characterized by its molecular formula C18H18N2O8S. Bis-(4-propoxy-3-nitro-phenyl)-sulfon features two 4-propoxy-3-nitro-phenyl groups connected by a sulfonyl bridge, which provides a unique structure with potential applications in various chemical and industrial processes. It is known for its yellow crystalline appearance and is often used in the synthesis of dyes and pigments due to its ability to impart color. The compound's properties, such as its solubility and stability, make it a valuable intermediate in the chemical industry.

3704-31-2

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Basic information
1. Product Name: Bis-(4-propoxy-3-nitro-phenyl)-sulfon
2. Synonyms:
3. CAS NO:3704-31-2
4. Molecular Formula:
5. Molecular Weight: 424.431
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: Bis-(4-propoxy-3-nitro-phenyl)-sulfon(CAS DataBase Reference)
10. NIST Chemistry Reference: Bis-(4-propoxy-3-nitro-phenyl)-sulfon(3704-31-2)
11. EPA Substance Registry System: Bis-(4-propoxy-3-nitro-phenyl)-sulfon(3704-31-2)
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: 3704-31-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3704-31-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,0 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3704-31:
(6*3)+(5*7)+(4*0)+(3*4)+(2*3)+(1*1)=72
72 % 10 = 2
So 3704-31-2 is a valid CAS Registry Number.

3704-31-2Upstream product

3704-31-2Downstream Products

2297-61-2 Bis-(3-amino-4-propoxy-phenyl)-sulfon

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