4-Nitro-toluene-3-sulfinic acid is an organic compound with the chemical formula C7H7NO4S. It is a yellow crystalline solid that is soluble in water and has a molecular weight of 203.20 g/mol. 4-nitro-toluene-3-sulfinic acid is derived from toluene, a methylbenzene, by introducing a nitro group at the para position and a sulfinyl group at the meta position. It is an important intermediate in the synthesis of various pharmaceuticals, dyes, and other chemical products. Due to its reactivity, 4-nitro-toluene-3-sulfinic acid is used in the preparation of sulfonamides, which are a class of antibiotics, and in the production of certain azo dyes. Its chemical properties make it a versatile building block in the field of organic synthesis.

2719-69-9

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Basic information
1. Product Name: 4-nitro-toluene-3-sulfinic acid
2. Synonyms:
3. CAS NO:2719-69-9
4. Molecular Formula:
5. Molecular Weight: 201.203
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-nitro-toluene-3-sulfinic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-nitro-toluene-3-sulfinic acid(2719-69-9)
11. EPA Substance Registry System: 4-nitro-toluene-3-sulfinic acid(2719-69-9)
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: 2719-69-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2719-69-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,1 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2719-69:
(6*2)+(5*7)+(4*1)+(3*9)+(2*6)+(1*9)=99
99 % 10 = 9
So 2719-69-9 is a valid CAS Registry Number.

2719-69-9Upstream product

578-46-1 5-methyl-2-nitroaniline

2719-69-9Downstream Products

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