156115-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156115-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,1,1 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156115-84:
(8*1)+(7*5)+(6*6)+(5*1)+(4*1)+(3*5)+(2*8)+(1*4)=123
123 % 10 = 3
So 156115-84-3 is a valid CAS Registry Number.
156115-84-3Relevant articles and documents
Ethyl 2-diazomalonyl chloride. An efficient diazoacylating reagent
Marino Jr., Joseph P.,Osterhout, Martin H.,Price, Alan T.,Sheehan, Scott M.,Padwa, Albert
, p. 849 - 852 (2007/10/02)
Ethyl 2-diazomalonyl chloride readily reacts with aromatic and aliphatic amines, alcohols, thiols, and amides to form a variety of α-diazo carbonyl species.