256950-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256950-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,9,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 256950-52:
(8*2)+(7*5)+(6*6)+(5*9)+(4*5)+(3*0)+(2*5)+(1*2)=164
164 % 10 = 4
So 256950-52-4 is a valid CAS Registry Number.
256950-52-4Relevant academic research and scientific papers
Ring closing metathesis of phenyl-substituted dienes
Bujard,Briot,Gouverneur,Mioskowski
, p. 8785 - 8788 (2007/10/03)
A series of phenyl-substituted heterodienes 2a-f and 6 was prepared and subjected to ring closing metathesis (RCM) to give differently phenyl- substituted dihydropyrroles and dihydrofuran.
