110351-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 110351-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,3,5 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 110351-93:
(8*1)+(7*1)+(6*0)+(5*3)+(4*5)+(3*1)+(2*9)+(1*3)=74
74 % 10 = 4
So 110351-93-4 is a valid CAS Registry Number.
110351-93-4Relevant articles and documents
ASYMMETRIC SYNTHESIS OF (S)-CAMPTOTHECIN
Ejima, Akio,Terasawa, Hirofumi,Sugimori, Masamichi,Tagawa, Hiroaki
, p. 2639 - 2640 (1989)
The title compound was synthesized via a novel diastereoselective ethylation process from indolizine derivative 5a bearing N-tosyl-(R)-proline.