Cas 20688-89-5,Methanesulfonic acid (2R,3R,4R,5R,6R)-4,5-bis-benzyloxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester

20688-89-5

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Basic information

Product Name: Methanesulfonic acid (2R,3R,4R,5R,6R)-4,5-bis-benzyloxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester
Synonyms:
CAS NO:20688-89-5
Molecular Formula:
Molecular Weight: 452.526
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: Methanesulfonic acid (2R,3R,4R,5R,6R)-4,5-bis-benzyloxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester(CAS DataBase Reference)
NIST Chemistry Reference: Methanesulfonic acid (2R,3R,4R,5R,6R)-4,5-bis-benzyloxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester(20688-89-5)
EPA Substance Registry System: Methanesulfonic acid (2R,3R,4R,5R,6R)-4,5-bis-benzyloxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester(20688-89-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 20688-89-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 20688-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,8 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20688-89:
(7*2)+(6*0)+(5*6)+(4*8)+(3*8)+(2*8)+(1*9)=125
125 % 10 = 5
So 20688-89-5 is a valid CAS Registry Number.

20688-89-5Upstream product

19877-37-3 methyl 2,3-di-O-benzyl-4-O-(methylsulfonyl)-6-O-trityl-β-D-glucopyranoside

20688-89-5Downstream Products

20688-89-5Relevant academic research and scientific papers

Specificity of α- and β-D-galactosidase towards analogs of D-galactopyranosides modified at C-4 or C-5

Nam Shin, Jeong E.,Maradufu, Asafu,Marion, Jean,Perlin, Arthur S.

, p. 328 - 335 (2007/10/02)

In examining the stereochemistry of D-galactose oxidase, it was found that some 4-deoxy analogs of methyl β-D-galactopyranoside (1), particularly the 4-amino (2) and 4-fluoro (3) derivatives, are relatively good substrates of the enzyme.The same compounds

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