75858-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75858-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,5 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75858-54:
(7*7)+(6*5)+(5*8)+(4*5)+(3*8)+(2*5)+(1*4)=177
177 % 10 = 7
So 75858-54-7 is a valid CAS Registry Number.
75858-54-7Relevant articles and documents
Aminomethylation of N-propargylphosphoramides. Synthesis of unsymmetrical acetylenic diamines
Corbel, Bernard,Paugam, Jean-Paul,Sturtz, Georges
, p. 2183 - 2188 (2007/10/02)
The preparation of N-alkyl-N-(4-dialkylamino-2-butylnyl)phosphoramides 3 using the Mannich reaction is described.The acidic hydrolysis of those phosphoramides leads to unsymmetrical acetylenic diamines 4.