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122673-11-4

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122673-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122673-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,7 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122673-11:
(8*1)+(7*2)+(6*2)+(5*6)+(4*7)+(3*3)+(2*1)+(1*1)=104
104 % 10 = 4
So 122673-11-4 is a valid CAS Registry Number.

122673-11-4Relevant articles and documents

The α-Bromoester-Imine Condensation promoted by Zinc-Trimethylchlorosilane: A Stereospecific Short Formal Synthesis of (+/-)-Carbapenem Antibiotics and Realated Compounds

Cossio, Fernando P.,Odrizola, Jose M.,Oiarbide, Mikel,Palomo, Claudio

, p. 74 - 76 (1989)

Ethyl bromoacetate reacts with imines in the presence of zinc activated by trimethylchlorosilane to give high yields of 3-unsubstituted β-lactams.

A short formal synthesis of the carbapenem antibiotic (±)-PS-5

Odriozola,Cossio,Palomo

, p. 809 - 810 (2007/10/02)

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