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78076-77-4

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78076-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78076-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,7 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78076-77:
(7*7)+(6*8)+(5*0)+(4*7)+(3*6)+(2*7)+(1*7)=164
164 % 10 = 4
So 78076-77-4 is a valid CAS Registry Number.

78076-77-4Downstream Products

78076-77-4Relevant articles and documents

Four- and Five-membered Phosphorus Heterocycles, 52. Pentacyclic Diphosphoranes from the Reaction 2H-1,2,4,3λ3-Triazaphosphole/Azodicarboxylic Esters

Tautz, Helmut,Schmidpeter, Alfred

, p. 825 - 828 (2007/10/02)

Azodicarboxylic esters react with 2-methyl-5-phenyl-2H-1,2,4,3-λ3-triazaphosphole (1) as heterodienes in an oxidative cycloaddition at the ?2-phosphorus and a concomitant dimerization of the supposed intermediate spirocyclic phosphazene 3.The resulting diphosphoranes 4 may also be synthesized from the dichlorotriazaphosphole dimer 5 and hydrazinedicarboxylic esters 6.

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