Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy is a complex organic compound with the chemical formula C41H52O7S. It is a derivative of D-galactose, a monosaccharide sugar, with modifications to its structure. The compound features a diethylmercaptal group, which is a sulfur-containing moiety that can protect the hydroxyl groups in the molecule. It also has a triphenylmethyl (trityl) group at the 6-O position, which is a bulky, electron-donating group that can influence the reactivity and stability of the molecule. Additionally, the 2,3 and 4,5 hydroxyl groups are protected by isopropylidenation, which involves the formation of a methylene bridge between adjacent hydroxyl groups, making the molecule more resistant to hydrolysis. Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy is significant in organic chemistry, particularly in the synthesis of complex carbohydrates and as a protecting group in carbohydrate chemistry, where it can help in the selective protection and deprotection of functional groups during chemical reactions.

4644-90-0

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Basic information
1. Product Name: Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy
2. Synonyms:
3. CAS NO:4644-90-0
4. Molecular Formula:
5. Molecular Weight: 608.863
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: Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy(CAS DataBase Reference)
10. NIST Chemistry Reference: Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy(4644-90-0)
11. EPA Substance Registry System: Diethylmerkaptal-6-O-trifenylmethyl-2,3:4,5-di-O-isopropyliden-D-galaktozy(4644-90-0)
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: 4644-90-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4644-90-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,4 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4644-90:
(6*4)+(5*6)+(4*4)+(3*4)+(2*9)+(1*0)=100
100 % 10 = 0
So 4644-90-0 is a valid CAS Registry Number.

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