512-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 512-17-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,1 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 512-17:
(5*5)+(4*1)+(3*2)+(2*1)+(1*7)=44
44 % 10 = 4
So 512-17-4 is a valid CAS Registry Number.
512-17-4Relevant articles and documents
A NEW TERPENOID COUMARIN FROM Ferula kopetdaghensis
Nabiev, A. A.,Khasanov, T. Kh.,Malikov, V. M.
, p. 44 - 46 (2007/10/02)
From the roots of Ferula kopetdaghensis Eug.Kor. have been isolated nevskin and isosamarcandin and a new terpenoid coumarin kopeolone, C24H30O5.M(1+) 398, mp 125-126 deg C, D18 +70 deg (c 0.1, ethanol).On the basis of UV, IR, PMR,