205878-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205878-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,8,7 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205878-19:
(8*2)+(7*0)+(6*5)+(5*8)+(4*7)+(3*8)+(2*1)+(1*9)=149
149 % 10 = 9
So 205878-19-9 is a valid CAS Registry Number.
205878-19-9Relevant articles and documents
α-iodocycloalkenones: Synthesis of (±)-epibatidine
Sirisoma, Nilantha S.,Johnson, Carl R.
, p. 2059 - 2062 (2007/10/03)
A synthesis of the non-opiate analgesic alkaloid epibatidine was achieved in 13 steps and 13% Overall yield starting from 1,3-cyclohexadiene using in a key step a modified Stille coupling reaction on an α- iodocyclohexenone.