104422-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104422-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,2 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104422-27:
(8*1)+(7*0)+(6*4)+(5*4)+(4*2)+(3*2)+(2*2)+(1*7)=77
77 % 10 = 7
So 104422-27-7 is a valid CAS Registry Number.
104422-27-7Relevant academic research and scientific papers
A Novel Preparation of Cycloheptapyrrol-2-ones
Gilbert, John C.,Blackburn, Brent K.
, p. 4087 - 4089 (2007/10/02)
A novel synthesis of the title compounds has been achieved by the base-promoted reaction of diethyl (diazomethyl)phosphonate (3) and 2-oxopropanamides 4.