5554-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5554-63-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5554-63:
(6*5)+(5*5)+(4*5)+(3*4)+(2*6)+(1*3)=102
102 % 10 = 2
So 5554-63-2 is a valid CAS Registry Number.
5554-63-2Relevant articles and documents
α-Nitrogenated organolithium compounds from α-amidomethyl and α-aminomethyl sulfones
Alonso, Diego A.,Alonso, Emma,Najera, Carmen,Ramon, Diego J.,Yus, Miguel
, p. 4835 - 4856 (2007/10/03)
Successive reaction of α-amidomethyl sulfones 7a,b, derived from primary amides, with n-butyllithium and primary alkyl bromides (CH2 = CHCH2Br, CH2 = CMeCH2Br, CH2 = CBrCH2Br, CH ≡ CCH
