57003-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57003-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,0 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57003-54:
(7*5)+(6*7)+(5*0)+(4*0)+(3*3)+(2*5)+(1*4)=100
100 % 10 = 0
So 57003-54-0 is a valid CAS Registry Number.
57003-54-0Relevant articles and documents
TIN ANALOGS OF THE VINYLOGOUS REFORMATSKY REACTION. REGIO- AND STEREOCHEMICAL CONSIDERATIONS
Fan, RuLin,Hudlicky, Tomas
, p. 5533 - 5536 (2007/10/02)
Ethyl-4-(tri-n-butyltin)-3-methyl crotonate and ethyl-4-(tri-n-butyltin)-3-methoxycrotonate were condensed with benzaldehyde and cyclohexanone.The regio- and stereochemical profiles were determined in an effort to control the course of dienolate additions
