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127923-74-4

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127923-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127923-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,2 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 127923-74:
(8*1)+(7*2)+(6*7)+(5*9)+(4*2)+(3*3)+(2*7)+(1*4)=144
144 % 10 = 4
So 127923-74-4 is a valid CAS Registry Number.

127923-74-4Relevant articles and documents

SYNTHESE DE TETRA OXYDES DE PHOSPHINE MACROCYCLIQUES A PARTIR DES BISPHOSPHONIUMS BIS OXYDES DE PHOSPHINE CORRESPONDANTS

Vincens, M.,Grimaldo-Moroen, J. T.,Vidal, M.

, p. 403 - 410 (2007/10/02)

Macrocyclisation of halogenated phosphine dioxides with bis (diphenylphosphino)-1,3 propane yields new bifunctionnal macrocycles 4, 5 with 4 phosphorus atoms in the ring.Application of a new methodology, via a bridge protection leads after an alkaline hyd

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