775534-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775534-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,5,3 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 775534-70:
(8*7)+(7*7)+(6*5)+(5*5)+(4*3)+(3*4)+(2*7)+(1*0)=198
198 % 10 = 8
So 775534-70-8 is a valid CAS Registry Number.
775534-70-8Relevant articles and documents
THE ENANTIOSELECTIVE SYNTHESIS OF (+)-RETRONECINE, (-)-PLATYNECINE, AND (+)-CROALBINECINE AND ITS C-1 EPIMER
Rueeger, Heinrich,Benn, Michael
, p. 1331 - 1334 (2007/10/02)
The Geissman-Waiss lactone, (+)-6-aza-2-oxabicyclooctan-2-one, obtained from (2S,4R)-4-hydroxyproline was used as a synthon for the preparation of (+)-retronecine, (-)-platynecine, and (+)-croalbinecine (helifolinecine) and its C-1 epimer.