1407666-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1407666-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,7,6,6 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1407666-67:
(9*1)+(8*4)+(7*0)+(6*7)+(5*6)+(4*6)+(3*6)+(2*6)+(1*7)=174
174 % 10 = 4
So 1407666-67-4 is a valid CAS Registry Number.
1407666-67-4Relevant articles and documents
PROCESS FOR THE PRODUCTION OF SITAGLIPTIN
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, (2014/04/03)
A novel process is described for the synthesis of Sitagliptin, IUPAC name 7-[(3R)-3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine, of formula (I).