1329036-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1329036-54-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,9,0,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1329036-54:
(9*1)+(8*3)+(7*2)+(6*9)+(5*0)+(4*3)+(3*6)+(2*5)+(1*4)=145
145 % 10 = 5
So 1329036-54-5 is a valid CAS Registry Number.
1329036-54-5Relevant articles and documents
METHOD FOR PREPARING SITAGLIPTIN AND AMINE SALT INTERMEDIATES USED THEREIN
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Page/Page column 16, (2011/09/19)
The present invention relates to a method for preparing sitagliptin by using an amine salt of (3R)-3-azido-4-(2,4,5-trifluorophenyl)-butyric acid (formula (V)) in a high yield and purity, and amine salt intermediates used therein.