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1180012-50-3

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1180012-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1180012-50-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,0,0,1 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1180012-50:
(9*1)+(8*1)+(7*8)+(6*0)+(5*0)+(4*1)+(3*2)+(2*5)+(1*0)=93
93 % 10 = 3
So 1180012-50-3 is a valid CAS Registry Number.

1180012-50-3Relevant articles and documents

A catalytic asymmetric route to carbapenems

Bodner, Micah J.,Phelan, Ryan M.,Townsend, Craig A.

, p. 3606 - 3609 (2011/03/17)

Image Presented Efficient syntheses of N-acetyl thienamycin and epithienamycin A in their readily deprotected form are reported where three contiguous stereocenters are established in a single catalytic asymmetric azetidinone-forming reaction. These examples are a template for synthesizing C-5/C-6 cis or trans carbapenems with independent control of the C-8 stereocenter. A library of oxidatively and sterochemically defined azetidinone precursors to a variety of naturally occurring carbapenems and potential biosynthetic intermediates has been prepared to facilitate studies of carbapenem antibiotic biosynthesis.

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