137234-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137234-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,3 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137234-72:
(8*1)+(7*3)+(6*7)+(5*2)+(4*3)+(3*4)+(2*7)+(1*2)=121
121 % 10 = 1
So 137234-72-1 is a valid CAS Registry Number.
137234-72-1Relevant articles and documents
PROCESS FOR THE PREPARATION OF VORICONAZOLE
-
Page/Page column 4, (2010/04/23)
The present invention relates to an improved process for the preparation of Voriconazole.