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6881-56-7

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6881-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6881-56-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,8 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6881-56:
(6*6)+(5*8)+(4*8)+(3*1)+(2*5)+(1*6)=127
127 % 10 = 7
So 6881-56-7 is a valid CAS Registry Number.

6881-56-7Downstream Products

6881-56-7Relevant articles and documents

Formation of aminomethylphosphonic acids and monoesters from aminomethylphosphonates

Cristau, Henri-Jean,Lambert, Jean-Marc,Pirat, Jean-Luc

, p. 51 - 55 (1998)

Correcting a previous preliminary communication, the reaction between diethyl N-benzoyl α-aminomethylphosphonate and PCl5 is shown to afford the corresponding aminomethyl-phosphonic acids and monoesters instead of the previous mentioned oxazaphospholene.

1-(N-acylamino)alkanephosphonates. Part IV. N-acylation of 1-aminoalkanephosphonic acids

Kudzin,Depczynski,Andrijewski,Drabowicz,Luczak

, p. 499 - 513 (2007/10/03)

Practical general procedures of N-acylation of 1-aminoalkanephosphonic acids, including N-acetylation, N-benzoylation and N-pivaloylation of the representative aminophosphonic acids are described. Physico-chemical properties of synthesized derivatives are

Process for the preparation of acylaminomethanephosphonic acids

-

, (2008/06/13)

Acylaminomethanephosphonic acids are useful intermediates for the preparation of the herbicide N-phosphonemethylglycine and its salts. According to the invention, acylaminomethanephosphonic acids of the formula (I) in which R1 is H, Cs

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