917874-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 917874-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,8,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 917874-90:
(8*9)+(7*1)+(6*7)+(5*8)+(4*7)+(3*4)+(2*9)+(1*0)=219
219 % 10 = 9
So 917874-90-9 is a valid CAS Registry Number.
917874-90-9Relevant academic research and scientific papers
Photochemical preparation of pyrrole ring-contracted chlorins by the Wolff rearrangement
Koepke, Tillmann,Pink, Maren,Zaleski, Jeffrey M.
, p. 4059 - 4062 (2008/09/19)
Photolysis of the Ni(ii), Cu(ii), and Zn(ii) 2-diazo-3-oxochlorins generates 4-membered rings containing azeteoporphyrins. The Royal Society of Chemistry 2006.
