637334-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637334-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,3 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 637334-91:
(8*6)+(7*3)+(6*7)+(5*3)+(4*3)+(3*4)+(2*9)+(1*1)=169
169 % 10 = 9
So 637334-91-9 is a valid CAS Registry Number.
637334-91-9Relevant articles and documents
Amide substituted xanthine derivatives
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, (2008/06/13)
The present invention is a 1,3,8 substituted xanthine derivative of formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2 and R3 are as defined in the specification. Compounds of formula I and pharmaceutically acceptable salts or prodrugs thereof show activity as modulators of gluconeogenesis.