202339-24-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202339-24-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,3,3 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 202339-24:
(8*2)+(7*0)+(6*2)+(5*3)+(4*3)+(3*9)+(2*2)+(1*4)=90
90 % 10 = 0
So 202339-24-0 is a valid CAS Registry Number.
202339-24-0Relevant articles and documents
Chiral Synthesis of the BC-Ring System of Ciguatoxin from D-Glucose
Ami, Ei'ichi,Kishimoto, Hisakazu,Ohrui, Hiroshi,Meguro, Hiroshi
, p. 2019 - 2024 (1997)
The BC-ring system of ciguatoxin was stereoselectively synthesized by 12 steps from methyl α-D-glucopyranoside.