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81073-42-9

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81073-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81073-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,7 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81073-42:
(7*8)+(6*1)+(5*0)+(4*7)+(3*3)+(2*4)+(1*2)=109
109 % 10 = 9
So 81073-42-9 is a valid CAS Registry Number.

81073-42-9Relevant academic research and scientific papers

BASE-CATALYZED CONDENSATION OF BIS(DIETHYLPHOSPHONOMETHYL)PHOSPHINIC AMIDES WITH ALDEHYDES

Gilmore, Franklin W.,Park, Joon Sup

, p. 287 - 292 (2007/10/02)

The reaction of the mono anion of bis(diethylphosphonomethyl)phosphinic amides (3) with aldehydes gives varying amounts of diethyl alkyl- or arylethenylphosphonates (10) and diethylphosphonomethylalkyl- or arylethenylphosphinic amides (7).When R in 3 is N

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