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133508-99-3

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133508-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133508-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,0 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 133508-99:
(8*1)+(7*3)+(6*3)+(5*5)+(4*0)+(3*8)+(2*9)+(1*9)=123
123 % 10 = 3
So 133508-99-3 is a valid CAS Registry Number.

133508-99-3Relevant 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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