1262308-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1262308-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,3,0 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1262308-99:
(9*1)+(8*2)+(7*6)+(6*2)+(5*3)+(4*0)+(3*8)+(2*9)+(1*9)=145
145 % 10 = 5
So 1262308-99-5 is a valid CAS Registry Number.
1262308-99-5Relevant articles and documents
Polycyclic compounds by ugi-pictet-Spengler sequence
Wang, Wei,Ollio, Sarah,Herdtweck, Eberhardt,Doemling, Alexander
, p. 637 - 644 (2011/03/19)
A general approach to architecturally stimulating polycyclic structures is described by a concise, two-step procedure including a Ugi MCR (multicomponent reaction) and a subsequent Pictet-Spengler reaction starting from phenylethylamine-derived isocyanide