270921-10-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 270921-10-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,0,9,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 270921-10:
(8*2)+(7*7)+(6*0)+(5*9)+(4*2)+(3*1)+(2*1)+(1*0)=123
123 % 10 = 3
So 270921-10-3 is a valid CAS Registry Number.
270921-10-3Relevant academic research and scientific papers
Ring-closing olefin metathesis for the synthesis of phosphorus containing heterocycles
Hetherington,Greedy,Gouverneur
, p. 2053 - 2060 (2007/10/03)
A series of cyclic phosphorus containing heterocycles 9a-k was prepared in a one-step procedure by ring closing metathesis of dienes 7a-k. (C) 2000 Elsevier Science Ltd.
