40665-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40665-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,6 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40665-74:
(7*4)+(6*0)+(5*6)+(4*6)+(3*5)+(2*7)+(1*4)=115
115 % 10 = 5
So 40665-74-5 is a valid CAS Registry Number.
40665-74-5Relevant articles and documents
2,5,6,7-tetranor-4,8-inter-m-phenylene PGI2 derivatives
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, (2008/06/13)
Disclosed herein are novel prostaglandin I2 (PGI2) derivatives exhibiting excellent in vivo duration and activities, said derivatives being represented by the general formula: STR1 wherein R1, X, R2 and R3 are as defined herein.
