Basic information

Product Name: (2S,3S)-2,3-bis[(ethoxycarbonyl)oxy]butane-1,4-diyl dimethanesulfonate
Synonyms:
CAS NO:4251-91-6
Molecular Formula: C₁₂H₂₂O₁₂S₂
Molecular Weight: 422.4259
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: 600.7°C at 760 mmHg
Flash Point: 317.1°C
Appearance: N/A
Density: 1.399g/cm³
Vapor Pressure: 2.18E-14mmHg at 25°C
Refractive Index: 1.48
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (2S,3S)-2,3-bis[(ethoxycarbonyl)oxy]butane-1,4-diyl dimethanesulfonate(CAS DataBase Reference)
NIST Chemistry Reference: (2S,3S)-2,3-bis[(ethoxycarbonyl)oxy]butane-1,4-diyl dimethanesulfonate(4251-91-6)
EPA Substance Registry System: (2S,3S)-2,3-bis[(ethoxycarbonyl)oxy]butane-1,4-diyl dimethanesulfonate(4251-91-6)

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: 4251-91-6(Hazardous Substances Data)

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Uses

Used in Organic Synthesis:
(2S,3S)-2,3-bis[(ethoxycarbonyl)oxy]butane-1,4-diyl dimethanesulfonate is used as a protecting group for alcohols in organic synthesis for its ability to selectively protect alcohol functional groups, preventing unwanted chemical reactions from occurring. This selective protection is crucial in the synthesis of complex organic molecules.
Additionally, it can be easily removed under mild conditions, making it a valuable tool in organic chemistry for facilitating the synthesis of complex organic compounds without the interference of unwanted side reactions.

Check Digit Verification of cas no

The CAS Registry Mumber 4251-91-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4251-91:
(6*4)+(5*2)+(4*5)+(3*1)+(2*9)+(1*1)=76
76 % 10 = 6
So 4251-91-6 is a valid CAS Registry Number.

4251-91-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name	Di-2,3-O-carbethoxy-L-threitol-1,4-bismethanesulfonate

1.2 Other means of identification

Product number	-
Other names	di-1-naphthyl methylphosphate

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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