O-methyl threonine, also known as 2-amino-3-(methylamino)propanoic acid, is a non-proteinogenic amino acid, meaning it is not found in proteins. It is structurally similar to the naturally occurring amino acid threonine, with the key difference being the presence of a methyl group (-CH3) attached to the hydroxyl group (-OH) on the second carbon. This modification can affect the properties and reactivity of the molecule, potentially altering its interactions with enzymes, receptors, or other biomolecules. O-methyl threonine may be used in research to study the effects of amino acid modifications on protein structure and function, or in the development of pharmaceuticals and other bioactive compounds.

4385-90-4

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Basic information
1. Product Name: O-methyl threonine
2. Synonyms: O-methyl threonine
3. CAS NO:4385-90-4
4. Molecular Formula: C₅H₁₁NO₃
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4385-90-4.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 248°C at 760 mmHg
3. Flash Point: 103.8°C
4. Appearance: /
5. Density: 1.143g/cm³
6. Vapor Pressure: 0.008mmHg at 25°C
7. Refractive Index: 1.461
8. Storage Temp.: N/A
9. Solubility: N/A
10. PKA: pK1:2.02(+1);pK2:9.00(0) (25°C)
11. CAS DataBase Reference: O-methyl threonine(CAS DataBase Reference)
12. NIST Chemistry Reference: O-methyl threonine(4385-90-4)
13. EPA Substance Registry System: O-methyl threonine(4385-90-4)
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: 4385-90-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4385-90-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,8 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4385-90:
(6*4)+(5*3)+(4*8)+(3*5)+(2*9)+(1*0)=104
104 % 10 = 4
So 4385-90-4 is a valid CAS Registry Number.

InChI:InChI=1/C5H11NO3/c1-3(9-2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t3-,4+/m1/s1

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