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111390-01-3

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111390-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111390-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,3,9 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111390-01:
(8*1)+(7*1)+(6*1)+(5*3)+(4*9)+(3*0)+(2*0)+(1*1)=73
73 % 10 = 3
So 111390-01-3 is a valid CAS Registry Number.

111390-01-3Upstream product

111390-01-3Relevant articles and documents

Process for preparing cephalosporin intermediates

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, (2008/06/13)

Processes for the preparation of stable, crystalline cephalosporin intermediates of the formula STR1 wherein X is HI or HCl, and Nu and Nu≈ are certain N-containing heterocyclic rings attached via a sulfur atom or a ring nitrogen atom, respectively, which are substantially free of the Δ2 isomer; processes for intermediates in the preparation of the above compounds; and processes for the preparation of broad-spectrum cephalosporin antibiotics.

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