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101989-39-3

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101989-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101989-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,8 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101989-39:
(8*1)+(7*0)+(6*1)+(5*9)+(4*8)+(3*9)+(2*3)+(1*9)=133
133 % 10 = 3
So 101989-39-3 is a valid CAS Registry Number.

101989-39-3Relevant articles and documents

2-aza-substituted 1-carbadethiapen-2-em-3 carboxylic acids

-

, (2008/06/13)

Disclosed are 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids I, where the generic 2-aza group includes azido, acylamino, amino, alkylamino, dialkylamino, trizolyl, triazolinyl, aziridinyl, and their pharmaceutically acceptable salt, ester, anh

THE PREPARATION AND REACTIONS OF 2-AZIDOCARBAPENEMS

Chabala, John C.,Christensen, Burton G.,Ratcliffe, Ronald W.,Woods, Mary F.

, p. 5407 - 5410 (2007/10/02)

The preparation of 2-azasubstituted carbapenems is reported, where in reactions of intermediate 2-azides provide the amine, 1,2,3-triazolines, 1,2,3-triazoles, and aziridines.

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