124887-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124887-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,8,8 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124887-04:
(8*1)+(7*2)+(6*4)+(5*8)+(4*8)+(3*7)+(2*0)+(1*4)=143
143 % 10 = 3
So 124887-04-3 is a valid CAS Registry Number.
124887-04-3Relevant articles and documents
AN ENANTIOSELECTIVE TOTAL SYNTHESIS OF THE MACROLIDE PATULOLIDE C
Thijs, L.,Egenberger, D. M.,Zwanenburg, B.
, p. 2153 - 2156 (1989)
A total synthesis of the twelve-membered ring lactone Patulolide C is described.The essentials of this synthesis are: nucleophilic ring opening of R-methyloxirane with a lithium acetylide, a Sharpless epoxidation, strategic use of the photochemical rearra