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105971-05-9

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105971-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105971-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,7 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 105971-05:
(8*1)+(7*0)+(6*5)+(5*9)+(4*7)+(3*1)+(2*0)+(1*5)=119
119 % 10 = 9
So 105971-05-9 is a valid CAS Registry Number.

105971-05-9SDS

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 N-tert-Butyl-N'-methyl-acetamidine; hydrochloride

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:105971-05-9 SDS

105971-05-9Upstream product

105971-05-9Relevant articles and documents

Hydrolysis of Unsymmetrical Acetamidines: Leaving Abilities and Stereoelectronic Effects

Perrin, Charles L.,Nunez, Oswaldo

, p. 522 - 527 (1987)

Unsymmetrical acetamidines hydrolyze in alkaline D2O to a mixture of two acetamides and two amines.Product ratios from three N-methylated acetamidines and five N-alkyl-N'-methylacetamidines were determined by NMR.The direction of cleavage is determined largely by the relative basicities of the two amines, rather than by the relative basicities of the two nitrogens in the tetrahedral intermediate.Steric repulsion in the product amides can also affect the product ratio, but only slightly.There is also a novel configurational effect, which favors cleavage of the nitrogen whose alkyl group is (Z) in the amidinium ion.This arises from a stereoelectronic preference for cleavage of a leaving group that is antiperiplanar to two lone pairs in the tetrahedral intermediate.However, it is concluded that this preference is weak.These results have guided the design of a test of this stereoelectronic preference in the hydrolysis of a set of cyclic amidinium ions where product stabilities and leaving abilities can be closely matched.

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