1057641-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1057641-71-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,7,6,4 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1057641-71:
(9*1)+(8*0)+(7*5)+(6*7)+(5*6)+(4*4)+(3*1)+(2*7)+(1*1)=150
150 % 10 = 0
So 1057641-71-0 is a valid CAS Registry Number.
1057641-71-0Relevant articles and documents
PYRAZOLO (3, 4-B) PYRIDINE DERIVATIVES AS PHOSPHODIESTERASE INHIBITORS
-
Page/Page column 88, (2008/12/07)
The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4 /PDE type 7 inhibitors. Compounds disclosed herein having the structure of Formura 1: can be useful in the treatment, prevention, inhibitio