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29955-50-8

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29955-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29955-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,5 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 29955-50:
(7*2)+(6*9)+(5*9)+(4*5)+(3*5)+(2*5)+(1*0)=158
158 % 10 = 8
So 29955-50-8 is a valid CAS Registry Number.

29955-50-8Relevant articles and documents

Exceptional effect of nitro substituent on the phosphonation of imines: The first report on phosphonation of imines to α-iminophosphonates and α-(N-phosphorylamino)phosphonates

Motevalli, Somayeh,Iranpoor, Nasser,Etemadi-Davan, Elham,Moghadam, Khashayar Rajabi

, p. 100070 - 100076 (2015)

A novel and chemoselective method is reported for the simple phosphonation of imines. By change of the electronic effects of the substituents, this method offers the selective synthesis of either α-iminophosphonates or α-(N-phosphorylamino)phosphonates. The mild reaction condition makes this protocol very attractive for synthesis of these two classes of phosphorous compounds.

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