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421554-00-9

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421554-00-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 421554-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,1,5,5 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 421554-00:
(8*4)+(7*2)+(6*1)+(5*5)+(4*5)+(3*4)+(2*0)+(1*0)=109
109 % 10 = 9
So 421554-00-9 is a valid CAS Registry Number.

421554-00-9Downstream Products

421554-00-9Relevant articles and documents

Dihydropyridine C-glycoconjugates by Hantzsch cyclocondensation. Synthesis of a C(6)-glycosylated nifedipine analogue

Dondoni, Alessandro,Massi, Alessandro,Minghini, Erik,Bertolasi, Valerio

, p. 3331 - 3348 (2007/10/03)

The use of glycosylated reagents in Hantzsch-type cyclocondensation reactions leading to C-glycosylated dihydropyridines (DHPs) has been investigated. A three-component approach with an anomeric sugar aldehyde (galacto, manno, and ribo derivatives), a β-k

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