101689-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101689-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,6,8 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101689-19:
(8*1)+(7*0)+(6*1)+(5*6)+(4*8)+(3*9)+(2*1)+(1*9)=114
114 % 10 = 4
So 101689-19-4 is a valid CAS Registry Number.
101689-19-4Relevant articles and documents
Synthesis of Malabaricone-A - Confirmation of its Structure
Parthasarathy, M. R.,Gupta, Sushma
, p. 965 (2007/10/02)
Wittig reaction of 7-phenylheptyl bromide (I) with 2,6-dimethoxyphenylglyoxal (II) affords 1-(2,6-dimethoxybenzoyl)-8-phenyl-oct-1-ene (III).III on hydrogenation over Pd/C catalyst followed by demethylation with pyridine hydrobromide yields malabaricone-A