156222-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156222-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,2 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156222-33:
(8*1)+(7*5)+(6*6)+(5*2)+(4*2)+(3*2)+(2*3)+(1*3)=112
112 % 10 = 2
So 156222-33-2 is a valid CAS Registry Number.
156222-33-2Relevant articles and documents
Preparation and Intramolecular Radical of Some Cyclic N-Sulfonylenamines
Ahman, Jens,Somfai, Peter
, p. 1079 - 1082 (2007/10/02)
Cyclic N-sulfonylenamines can be prepared under mild conditions from the coresponding lactams by an efficient two-step procedure involving diisobutylaluminium hydride (DIBAL) or LiAlH4 reduction followed by CF3CO2H induced dehydration.In addition, appropr
