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128342-56-3

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128342-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128342-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,4 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128342-56:
(8*1)+(7*2)+(6*8)+(5*3)+(4*4)+(3*2)+(2*5)+(1*6)=123
123 % 10 = 3
So 128342-56-3 is a valid CAS Registry Number.

128342-56-3Downstream Products

128342-56-3Relevant articles and documents

THE CYCLOADDITION OF N,N-DIMETHYLAMINOMETHYLIDENE-P-PHENYLPHOSPHINE TO VINYLALLENYLPHOSPHONATES

Ionkin, A. S.,Khusainova, N. G.,Smirnova, L. V.,Nekhoroshkov, V. M.,Efremov, Yu. Ya.,et al.

, p. 812 - 813 (2007/10/02)

The cycloaddition of N,N-dimethylaminomethylidene-P-phenylphosphine (I) to α-vinylallenylphosphonates (II) proceeds regioselectively with the formation of 2-dimethylamino-5-dialkoxyphosphoryl-6-isopropylidene-1-phenyl-1,2,3-tetrahydro-λ3-phosph

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