250280-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250280-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,2,8 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 250280-60:
(8*2)+(7*5)+(6*0)+(5*2)+(4*8)+(3*0)+(2*6)+(1*0)=105
105 % 10 = 5
So 250280-60-5 is a valid CAS Registry Number.
250280-60-5Relevant articles and documents
Total synthesis of (-)-epothilone A
Schinzer, Dieter,Bauer, Armin,Boehm, Oliver M.,Limberg, Anja,Cordes, Martin
, p. 2483 - 2491 (2007/10/03)
The total synthesis of (-)-epothilone A by a convergent route is reported. The synthesis of the required key intermediates has been improved with respect to stereoselectivity and availability. The access to ethyl ketone 2 has been significantly improved b
