1421259-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421259-21-3 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 1421259-21:
(9*1)+(8*4)+(7*2)+(6*1)+(5*2)+(4*5)+(3*9)+(2*2)+(1*1)=123
123 % 10 = 3
So 1421259-21-3 is a valid CAS Registry Number.
1421259-21-3Relevant articles and documents
PROCESSES FOR THE PREPARATION OF COMPOUNDS, SUCH AS 3-ARYLBUTANALS, USEFUL IN THE SYNTHESIS OF MEDETOMIDINE
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, (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.
