119404-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119404-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,0 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 119404-52:
(8*1)+(7*1)+(6*9)+(5*4)+(4*0)+(3*4)+(2*5)+(1*2)=113
113 % 10 = 3
So 119404-52-3 is a valid CAS Registry Number.
119404-52-3Relevant articles and documents
An aldol - Bislactonization route to α-methylene bis-γ-butyrolactones
Lertvorachon, Jittiwud,Meepowpan, Puttinan,Thebtaranonth, Yodhathai
, p. 14341 - 14358 (1998)
The syntheses of α-methylene γ-butyrolactones and α-methylene bis- γ-butyrolactones are made simple through the use of the versatile dimethyl itaconate - anthracene adduct, 1.