199792-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199792-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,7,9 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 199792-19:
(8*1)+(7*9)+(6*9)+(5*7)+(4*9)+(3*2)+(2*1)+(1*9)=213
213 % 10 = 3
So 199792-19-3 is a valid CAS Registry Number.
199792-19-3Relevant articles and documents
Synthetic studies on ciguatoxin [2]; synthesis of the A,B,C-ring system
Oka, Takahiro,Fujiwara, Kenshu,Murai, Akio
, p. 21 - 44 (2007/10/03)
The synthesis of the A,B,C-ring system having all the natural substituents of ciguatoxin was achieved from D-glucose.