78871-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78871-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,7 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78871-90:
(7*7)+(6*8)+(5*8)+(4*7)+(3*1)+(2*9)+(1*0)=186
186 % 10 = 6
So 78871-90-6 is a valid CAS Registry Number.
78871-90-6Relevant articles and documents
ZUR REGIOSELEKTIVITAET BEIM ALDOL-RINGSCHLUSS
Kreiser, Wolfgang,Below, Peter
, p. 429 - 432 (2007/10/02)
According to the proper choice of reaction conditions, a regioselective ring closure of the 1,5-diketones I is achieved, either to II or III.This directed aldolisation was successfully applied to a short synthesis of the monoterpenoid piperitone.
