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16749-41-0

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16749-41-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16749-41-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16749-41:
(7*1)+(6*6)+(5*7)+(4*4)+(3*9)+(2*4)+(1*1)=130
130 % 10 = 0
So 16749-41-0 is a valid CAS Registry Number.

16749-41-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2-dimethyl-5-(thiiran-2-yl)-3a,5,6,6a-tetrahydrofuro[4,5-d][1, 3]dioxol-6-ol

1.2 Other means of identification

Product number -
Other names -

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).

More Details:16749-41-0 SDS

16749-41-0Downstream Products

16749-41-0Relevant articles and documents

REACTION OF SUGAR EPOXIDES WITH PHOSPHOROTHIOIC ACIDS, EVIDENCE OF THE PENTACOORDINATE PHOSPHORUS INTERMEDIATE IN THE REACTION OF 5,6-ANHYDRO-1,2-O-ISOPROPYLIDENE-α-D-GLUCOFURANOSE WITH PHOSPHOROTHIOIC ACIDS

Kudelska, Wieslawa,Michalska, Maria

, p. 629 - 636 (2007/10/02)

The reaction of sugar epoxides with organic monothioacids of phosphorus provides a convenient procedure for synthesizing sugar thiophosphates and mercaptosugar phosphates.Based on detailed analysis of intermediates and factors influencing the reactivity of phosphorus monothioacids with sugar epoxides the reaction scheme is proposed involving pentacoordinate intermediate which undergoes endo or/and exocyclic elimination.It was found that the reaction of 5,6-anhydro-1,2-O-isopropylidene-α-D-glucoforanose 7 with phosphorothioic acids 8a and 8b yields three types of products in equilibrium: the thiophosphates 9a and 9b, the oxathiaphospholanes 11a and 11b and the mercaptophosphates 10a and 10b.Under more drastic conditions the phosphates 10a and 10b can be converted irreversibly into the episulphide 12 and phosphoric acids 13a and 13b, respectively.It is clearly possible that both compounds 10 and 11 can be formed from the same pentacoordinate intermediate, and the experimental evidence provides strong support for it.

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