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84801-85-4

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84801-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84801-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,0 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84801-85:
(7*8)+(6*4)+(5*8)+(4*0)+(3*1)+(2*8)+(1*5)=144
144 % 10 = 4
So 84801-85-4 is a valid CAS Registry Number.

84801-85-4Downstream Products

84801-85-4Relevant articles and documents

Synthesis of benzoindolizine derivatives by reaction of trimethyl phosphite, dialkyl acetylenedicarboxylates and isoquinolinium or quinolinium bromides

Anary-Abbasinejad, Mohammad,Charkhati, Khadije,Hassanabadi, Alireza

experimental part, p. 95 - 97 (2009/11/30)

The reactive 1:1 adduct produced by the addition of trimethyl phosphite to dialkyl acetylenedicarboxylates protonated by isoquinolinium or quinolinium bromides to afford isoquinolinium or quinolinium ylides and vinyl phosphonium bromides. 1,3-Dipolar cycl

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