Methyl-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid is a complex organic compound with the molecular formula C16H24O9S. It is a derivative of β-D-galactopyranosid, a monosaccharide sugar, where two methyl groups are attached to the second and third hydroxyl groups, and a tosyl group (a toluene sulfonate) is attached to the sixth hydroxyl group. Methyl-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid is of interest in the field of organic chemistry and carbohydrate chemistry, particularly in the study of glycosylation reactions and the synthesis of complex carbohydrates. It is also used as a protecting group in the synthesis of oligosaccharides and glycoconjugates, which are important in biological systems and have potential applications in drug development and vaccine design.

3149-69-7

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Basic information
1. Product Name: Methyl-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid
2. Synonyms:
3. CAS NO:3149-69-7
4. Molecular Formula:
5. Molecular Weight: 376.428
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-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid(CAS DataBase Reference)
10. NIST Chemistry Reference: Methyl-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid(3149-69-7)
11. EPA Substance Registry System: Methyl-2,3-di-O-methyl-6-O-tosyl-β-D-galactopyranosid(3149-69-7)
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: 3149-69-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3149-69-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,4 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3149-69:
(6*3)+(5*1)+(4*4)+(3*9)+(2*6)+(1*9)=87
87 % 10 = 7
So 3149-69-7 is a valid CAS Registry Number.

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