682802-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 682802-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,8,0 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 682802-83:
(8*6)+(7*8)+(6*2)+(5*8)+(4*0)+(3*2)+(2*8)+(1*3)=181
181 % 10 = 1
So 682802-83-1 is a valid CAS Registry Number.
682802-83-1Relevant articles and documents
Synthesis of (±)-lotthanongine, a novel natural product with a flavan-indole hybrid structure
Hatakeyama, Keisuke,Ohmori, Ken,Suzuki, Keisuke
, p. 1311 - 1315 (2007/10/03)
First total synthesis of lotthanongine (3), a natural product with a flavan-indole composite structure, has been achieved via the Lewis acid-catalyzed C-C bond formation between the catechin and the indole units.