Ethanesulfinic acid, ethyl ester, also known as ethyl methanesulfonate or ethyl methanesulphonate, is an organic compound with the chemical formula C3H8O2S. It is a colorless liquid with a pungent odor and is soluble in water. This ester is formed by the reaction of ethane-1-sulfinic acid with ethanol and is widely used as a synthetic intermediate in the production of various pharmaceuticals, agrochemicals, and other organic compounds. It is also employed as a reagent in organic synthesis, particularly in the preparation of sulfonamides and sulfonate esters. Due to its reactivity, it is essential to handle ethane sulfinic acid, ethyl ester with care, as it can be harmful if inhaled, ingested, or absorbed through the skin.

673-54-1

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Basic information
1. Product Name: Ethanesulfinic acid, ethyl ester
2. Synonyms:
3. CAS NO:673-54-1
4. Molecular Formula: C4H10O2S
5. Molecular Weight: 122.188
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: Ethanesulfinic acid, ethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Ethanesulfinic acid, ethyl ester(673-54-1)
11. EPA Substance Registry System: Ethanesulfinic acid, ethyl ester(673-54-1)
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: 673-54-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 673-54-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 673-54:
(5*6)+(4*7)+(3*3)+(2*5)+(1*4)=81
81 % 10 = 1
So 673-54-1 is a valid CAS Registry Number.

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