Trimethylsilylterephthalsaeurediamid, also known as TMS-TAD, is a chemical compound with the formula (Me3Si)2N-C6H4-N(SiMe3)2. It is a colorless, crystalline solid that is widely used as a reagent in organic synthesis, particularly for the protection of carboxylic acids and the formation of esters. TMS-TAD is known for its ability to form stable silyl esters, which can be easily removed under mild conditions, making it a valuable tool in the synthesis of complex organic molecules. The compound is also characterized by its thermal stability and resistance to hydrolysis, which further enhances its utility in various chemical reactions.

18359-54-1

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Basic information
1. Product Name: Trimethylsilylterephthalsaeurediamid
2. Synonyms:
3. CAS NO:18359-54-1
4. Molecular Formula:
5. Molecular Weight: 236.346
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: Trimethylsilylterephthalsaeurediamid(CAS DataBase Reference)
10. NIST Chemistry Reference: Trimethylsilylterephthalsaeurediamid(18359-54-1)
11. EPA Substance Registry System: Trimethylsilylterephthalsaeurediamid(18359-54-1)
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: 18359-54-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 18359-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,5 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18359-54:
(7*1)+(6*8)+(5*3)+(4*5)+(3*9)+(2*5)+(1*4)=131
131 % 10 = 1
So 18359-54-1 is a valid CAS Registry Number.

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