662111-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 662111-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,2,1,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 662111-45:
(8*6)+(7*6)+(6*2)+(5*1)+(4*1)+(3*1)+(2*4)+(1*5)=127
127 % 10 = 7
So 662111-45-7 is a valid CAS Registry Number.
662111-45-7Relevant articles and documents
MEDICINAL COMPOUNDS
-
Page 45, (2010/02/06)
The present invention concerns compounds of formula (I) and salts, solvates, and physiologically functional derivatives thereof, wherein: R1 is hydrogen or -XSO2NR6R7; R2 and R3 are indepen