N-(toluene-4-sulfonyl)-Ds-threonine is a chemical compound with the molecular formula C12H15NO5S. It is a derivative of threonine, an amino acid, where the hydroxyl group is replaced by a tosyl (toluene-4-sulfonyl) group. This modification can affect the compound's reactivity and properties, making it useful in various chemical and biological applications, such as in the synthesis of peptides and as a protecting group in organic synthesis. The Ds- prefix indicates that the compound is a D-stereoisomer, which means it has the same spatial arrangement as the naturally occurring L-threonine but with the opposite configuration at the chiral center. This can be significant in the context of stereochemistry, where the three-dimensional arrangement of atoms in molecules plays a crucial role in their function and interactions.

43188-50-7

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Basic information
1. Product Name: N-(toluene-4-sulfonyl)-D_S-threonine
2. Synonyms: N-(toluene-4-sulfonyl)-D_S-threonine
3. CAS NO:43188-50-7
4. Molecular Formula:
5. Molecular Weight: 273.31
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: N-(toluene-4-sulfonyl)-D_S-threonine(CAS DataBase Reference)
10. NIST Chemistry Reference: N-(toluene-4-sulfonyl)-D_S-threonine(43188-50-7)
11. EPA Substance Registry System: N-(toluene-4-sulfonyl)-D_S-threonine(43188-50-7)
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: 43188-50-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 43188-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,8 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 43188-50:
(7*4)+(6*3)+(5*1)+(4*8)+(3*8)+(2*5)+(1*0)=117
117 % 10 = 7
So 43188-50-7 is a valid CAS Registry Number.

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