1421259-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421259-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,2,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1421259-20:
(9*1)+(8*4)+(7*2)+(6*1)+(5*2)+(4*5)+(3*9)+(2*2)+(1*0)=122
122 % 10 = 2
So 1421259-20-2 is a valid CAS Registry Number.
1421259-20-2Relevant articles and documents
PROCESSES FOR THE PREPARATION OF COMPOUNDS, SUCH AS 3-ARYLBUTANALS, USEFUL IN THE SYNTHESIS OF MEDETOMIDINE
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Page/Page column 4, (2016/08/23)
There is provided a process for the preparation of a compound of formula (I) as defined herein, wherein said process comprises reacting a compound of formula (II) as defined s herein with one or more suitable Vilsmeier reagent.
