L-Alanin-diphenylmethylester, also known as L-Alanine diphenylmethyl ester or L-Alanine benzhydryl ester, is a synthetic chemical compound with the molecular formula C16H17NO2. It is a derivative of the naturally occurring amino acid L-alanine, where the carboxylic acid group is esterified with diphenylmethyl (benzhydryl) group. L-Alanin-diphenylmethylester is primarily used as a reagent in organic synthesis, particularly in peptide chemistry, where it serves as a protecting group for the carboxylic acid function. The diphenylmethyl ester is stable under various reaction conditions and can be selectively removed under mild acidic conditions, making it a valuable tool in the synthesis of complex peptide structures.

5033-04-5

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Basic information
1. Product Name: L-Alanin-diphenylmethylester
2. Synonyms:
3. CAS NO:5033-04-5
4. Molecular Formula:
5. Molecular Weight: 255.316
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: L-Alanin-diphenylmethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: L-Alanin-diphenylmethylester(5033-04-5)
11. EPA Substance Registry System: L-Alanin-diphenylmethylester(5033-04-5)
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: 5033-04-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5033-04-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,3 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5033-04:
(6*5)+(5*0)+(4*3)+(3*3)+(2*0)+(1*4)=55
55 % 10 = 5
So 5033-04-5 is a valid CAS Registry Number.

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