2220-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2220-33-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2220-33:
(6*2)+(5*2)+(4*2)+(3*0)+(2*3)+(1*3)=39
39 % 10 = 9
So 2220-33-9 is a valid CAS Registry Number.
2220-33-9Relevant articles and documents
The Synthesis of Aminoiminoethanenitriles, 5-Aminotetrazoles, N-Cyanoguanidines, and N-Hydroxyguanidines from Aminoiminomethanesulfonic Acids
Miller, Audrey E.,Feeney, Daniel J.,Ma, Yan,Zarcone, Lyn,Aziz, M. A.,Magnuson, E.
, p. 217 - 226 (2007/10/02)
Examples of the reactions of aminoiminomethanesulfonic acids with cyanide, azide, cyanamide and hydroxylamine as nucleophiles are reported.
