99054-35-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99054-35-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,5 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99054-35:
(7*9)+(6*9)+(5*0)+(4*5)+(3*4)+(2*3)+(1*5)=160
160 % 10 = 0
So 99054-35-0 is a valid CAS Registry Number.
99054-35-0Relevant articles and documents
Lactim ether chemistry: A versatile one-step β-enamino lactone synthesis
Provot,Celerier,Petit,Lhommet
, p. 69 - 71 (1993)
The condensation of 2-acetylbutyrolactones 4 with lactim ethers 5 leads to the formation of β-enamino lactones 7.