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499219-56-6

499219-56-6

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499219-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 499219-56-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,2,1 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 499219-56:
(8*4)+(7*9)+(6*9)+(5*2)+(4*1)+(3*9)+(2*5)+(1*6)=206
206 % 10 = 6
So 499219-56-6 is a valid CAS Registry Number.

499219-56-6Downstream Products

499219-56-6Relevant articles and documents

Organometallic niobium and tantalum complexes with primary phosphine ligands: Syntheses and molecular structures of [Cp*MCl4(PH2R)] (M = Nb, Ta; Cp* = C5Me5; R = But, Ad, Cy, Ph, 2,4,6-Me3C

Blaurock, Steffen,Hey-Hawkins, Evamarie

, p. 2515 - 2522 (2008/10/08)

The reaction of [Cp*MCl4] (M = Nb, Ta; Cp* = C5Me5) with PH2R in toluene at room temperature gives the primary phosphine complexes [Cp*MCl4(PH2R)] [Cp* = C5Me5; M = Nb

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