1283096-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1283096-73-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,0,9 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1283096-73:
(9*1)+(8*2)+(7*8)+(6*3)+(5*0)+(4*9)+(3*6)+(2*7)+(1*3)=170
170 % 10 = 0
So 1283096-73-0 is a valid CAS Registry Number.
1283096-73-0Relevant articles and documents
METHOD FOR PREPARING INTERMEDIATE OF SITAGLIPTIN USING CHIRAL OXIRANE
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Page/Page column 12-13, (2011/04/25)
Disclosed is: a novel, simple and low-cost method for preparing 3-hydroxy-4-(2,4,5-trifluorophenyl)-butyric acid, particularly (3S)-3-hydroxy-4-(2,4,5-trifluorophenyl)-butyric acid, which is used as a key intermediate in the preparation of sitagliptin.