130994-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130994-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,9 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130994-99:
(8*1)+(7*3)+(6*0)+(5*9)+(4*9)+(3*4)+(2*9)+(1*9)=149
149 % 10 = 9
So 130994-99-9 is a valid CAS Registry Number.
130994-99-9Relevant academic research and scientific papers
REARRANGEMENT OF EXOMETHYLENECEPHAMS TO HOMOCEPHAMS
Morin, John M.,Spry, Douglas O.,Elzey, Thomas K.,Kinnick, Michael D.,Paschal, Jonathan W.,Snyder, Nancy J.
, p. 1423 - 1426 (2007/10/02)
Exomethylenecephams rearrange by reaction with diazo compounds in the presence of cupric sulfate to generate the homocepham ring-system.
