Methyl-trityl-malonsaeure-diaethylester, also known as Methyl-trityl-malonic acid diethyl ester, is a chemical compound with the molecular formula C23H25O4. It is a derivative of malonic acid, featuring a trityl group (a phenyl group with three methyl groups attached to the ortho positions) and two ethyl ester groups. Methyl-trityl-malonsaeure-diaethylester is often used as a protecting group in organic synthesis, particularly in the preparation of complex organic molecules. It serves to shield certain functional groups from unwanted reactions, allowing chemists to selectively modify other parts of the molecule. The trityl group can be removed under mild acidic conditions, making it a valuable tool in the synthesis of various pharmaceuticals and natural products.

2616-40-2

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Basic information
1. Product Name: Methyl-trityl-malonsaeure-diaethylester
2. Synonyms:
3. CAS NO:2616-40-2
4. Molecular Formula:
5. Molecular Weight: 416.517
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: Methyl-trityl-malonsaeure-diaethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: Methyl-trityl-malonsaeure-diaethylester(2616-40-2)
11. EPA Substance Registry System: Methyl-trityl-malonsaeure-diaethylester(2616-40-2)
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: 2616-40-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2616-40-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,1 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2616-40:
(6*2)+(5*6)+(4*1)+(3*6)+(2*4)+(1*0)=72
72 % 10 = 2
So 2616-40-2 is a valid CAS Registry Number.

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2616-41-3 Methyl-trityl-malonsaeure

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