146256-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146256-52-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,2,5 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 146256-52:
(8*1)+(7*4)+(6*6)+(5*2)+(4*5)+(3*6)+(2*5)+(1*2)=132
132 % 10 = 2
So 146256-52-2 is a valid CAS Registry Number.
146256-52-2Relevant articles and documents
An unusual access to 4,5-bis (alkylidene)-1,3-dithiolan-2-ones: A new class of cisoid dienes
Boivin, Jean,Tailhan, Catherine,Zard, Samir Z.
, p. 7853 - 7856 (1992)
Upon heating in chlorobenzene, propargylic xanthates 1 b & 1 c give the corresponding 4,5-bis (alkylidene)-1,3-dithiolan-2-one 6 which is captured in situ by a dienophile 4 to give the Diels Alder adduct 7.
