Cas 18968-33-7,Methanesulfonic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

18968-33-7

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Basic information

Product Name: Methanesulfonic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester
Synonyms: Methanesulfonic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester
CAS NO:18968-33-7
Molecular Formula:
Molecular Weight: 830.884
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 (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester(CAS DataBase Reference)
NIST Chemistry Reference: Methanesulfonic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester(18968-33-7)
EPA Substance Registry System: Methanesulfonic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-7,8-bis-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-methanesulfonyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester(18968-33-7)

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: 18968-33-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 18968-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,6 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18968-33:
(7*1)+(6*8)+(5*9)+(4*6)+(3*8)+(2*3)+(1*3)=157
157 % 10 = 7
So 18968-33-7 is a valid CAS Registry Number.

18968-33-7Upstream product

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18968-33-7Relevant academic research and scientific papers

Synthesis of novel chiral phosphines from α,α-trehalose

Yonehara, Koji,Hashizume, Tomohiro,Ohe, Kouichi,Uemura, Sakae

, p. 4029 - 4035 (1999)

New disaccharide chiral phosphines, such as 4,6-O-benzylidene-2- (diphenylphosphino)-2-deoxy-α-D-altropyranosyl-(1,1)-4,6-O-benzylidene-2- (diphenylphosphino)-2-deoxy-α-D-altropyranoside 1 and 2-(diphenylphosphino)- 2-deoxy-4,6-O-isopropylidene-α-D-altropyranosyl-(1,1)-2-(diphenylphosphino)- 2-deoxy-4,6-O-isopropylidene-α-D-altropyranoside 9, were prepared from α,α-trehalose. We also succeeded in the synthesis of polyhydroxy chiral diphosphine 2-(diphenylphosphino)-2-deoxy-α-D-altropyranosyl-(1,1)-2- (diphenylphosphino)-2-deoxy-α-D-altropyranoside 5 by deprotection of isopropylidene groups.

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