2991-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2991-72-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2991-72:
(6*2)+(5*9)+(4*9)+(3*1)+(2*7)+(1*2)=112
112 % 10 = 2
So 2991-72-2 is a valid CAS Registry Number.
2991-72-2Relevant articles and documents
Reactions of N-alkyl- and N-aryltrihalogenoacetamides with phosphorus pentachloride
Sinitsa,Shalimov,Nesterenko,Malenko
, p. 752 - 757 (2007/10/03)
In the study of reactions of N-alkyl- and N-aryltrihalogenoacetamides with PCl5, it was demonstrated for the first time that 3-alkyl(aryl)-2,2,2,4 tetrachloro-4-trihalomethyl-1,3,2-λ5- oxazaphosphetanes are intermediates in the synth
