Perfluoro(4-methylcyclohexane)sulfonic acid, also known as PFMCSA, is a synthetic chemical compound characterized by its perfluorinated structure and a sulfonic acid functional group. It belongs to the family of perfluorinated compounds, which are known for their unique properties such as high chemical and thermal stability, and low surface tension. PFMCSA is a colorless liquid with a high boiling point and is resistant to hydrolysis. Due to its strong electron-withdrawing nature, it is often used as a reagent in organic synthesis, particularly in fluorination reactions. However, it is important to note that perfluorinated compounds, including PFMCSA, have raised environmental concerns due to their persistence, bioaccumulation, and potential toxicity, which has led to restrictions on their use in some applications.

742-73-4

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Basic information
1. Product Name: perfluoro(4-methylcyclohexane)sulfonic acid
2. Synonyms:
3. CAS NO:742-73-4
4. Molecular Formula:
5. Molecular Weight: 412.128
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: perfluoro(4-methylcyclohexane)sulfonic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: perfluoro(4-methylcyclohexane)sulfonic acid(742-73-4)
11. EPA Substance Registry System: perfluoro(4-methylcyclohexane)sulfonic acid(742-73-4)
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: 742-73-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 742-73-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 742-73:
(5*7)+(4*4)+(3*2)+(2*7)+(1*3)=74
74 % 10 = 4
So 742-73-4 is a valid CAS Registry Number.

742-73-4Upstream product

98-59-9 p-toluenesulfonyl chloride

742-73-4Downstream Products

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