2-Cyclohexyl-5-ethyl-thieno[3,2-d]isothiazolium; bromide is a complex organic compound with the chemical formula C13H16BrNS2. It is a derivative of thieno[3,2-d]isothiazolium, which is a heterocyclic compound containing a thiophene ring fused to an isothiazolium ring. The compound features a cyclohexyl group at the 2-position and an ethyl group at the 5-position, with a bromide ion as its counterion. This chemical is often used as a corrosion inhibitor, particularly in industrial applications such as oil and gas pipelines, and in various coatings to protect metal surfaces from corrosion. Its effectiveness is attributed to its ability to form a protective film on metal surfaces and disrupt the electrochemical processes that lead to corrosion.

3357-74-2

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Basic information
1. Product Name: 2-cyclohexyl-5-ethyl-thieno[3,2-d]isothiazolium; bromide
2. Synonyms:
3. CAS NO:3357-74-2
4. Molecular Formula:
5. Molecular Weight: 332.329
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: 2-cyclohexyl-5-ethyl-thieno[3,2-d]isothiazolium; bromide(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-cyclohexyl-5-ethyl-thieno[3,2-d]isothiazolium; bromide(3357-74-2)
11. EPA Substance Registry System: 2-cyclohexyl-5-ethyl-thieno[3,2-d]isothiazolium; bromide(3357-74-2)
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: 3357-74-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3357-74-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,5 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3357-74:
(6*3)+(5*3)+(4*5)+(3*7)+(2*7)+(1*4)=92
92 % 10 = 2
So 3357-74-2 is a valid CAS Registry Number.

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