157307-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157307-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,0 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157307-27:
(8*1)+(7*5)+(6*7)+(5*3)+(4*0)+(3*7)+(2*2)+(1*7)=132
132 % 10 = 2
So 157307-27-2 is a valid CAS Registry Number.
157307-27-2Relevant articles and documents
Enantioselective Construction of Spirooct-1-en-3-ones>
Stolle, Andreas,Becker, Heike,Salauen, Jacques,Meijere, Armin de
, p. 3521 - 3524 (1994)
Intramolecular Pauson-Khand reactions of 1,6-enynes 3a-c with a methylenecyclopropane terminator and a chiral acetal moiety adjacent to the triple bond gave spiro 5a-c in good yields with a diastereoselecti
