5-Methylsulfonyl-2-methyl-benzolsulfonsaeure-(1)-ethylamid, also known as 5-methylsulfonyl-2-methyl-benzenesulfonic acid ethylamide, is a complex organic compound with the molecular formula C10H15NO4S2. This chemical features a benzene ring with two methyl groups at the 2nd and 5th positions, a sulfonyl group at the 5th position, and a benzenesulfonic acid group at the 1st position. The ethylamide group is attached to the sulfonyl group, making it a derivative of benzenesulfonic acid with a unique structure. It is a white crystalline solid and is used in various chemical reactions and as an intermediate in the synthesis of pharmaceuticals and other organic compounds. Due to its complex structure, it is typically synthesized through multi-step processes involving the functionalization of benzene rings and the introduction of sulfonyl and amide groups.

1671-21-2

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Basic information
1. Product Name: 5-Methylsulfonyl-2-methyl-benzolsulfonsaeure-⁽¹⁾-ethylamid
2. Synonyms:
3. CAS NO:1671-21-2
4. Molecular Formula:
5. Molecular Weight: 277.365
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: 5-Methylsulfonyl-2-methyl-benzolsulfonsaeure-⁽¹⁾-ethylamid(CAS DataBase Reference)
10. NIST Chemistry Reference: 5-Methylsulfonyl-2-methyl-benzolsulfonsaeure-⁽¹⁾-ethylamid(1671-21-2)
11. EPA Substance Registry System: 5-Methylsulfonyl-2-methyl-benzolsulfonsaeure-⁽¹⁾-ethylamid(1671-21-2)
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: 1671-21-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1671-21-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1671-21:
(6*1)+(5*6)+(4*7)+(3*1)+(2*2)+(1*1)=72
72 % 10 = 2
So 1671-21-2 is a valid CAS Registry Number.

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