105449-89-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105449-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,4 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 105449-89:
(8*1)+(7*0)+(6*5)+(5*4)+(4*4)+(3*9)+(2*8)+(1*9)=126
126 % 10 = 6
So 105449-89-6 is a valid CAS Registry Number.
105449-89-6Relevant articles and documents
Estriol esters
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, (2008/06/13)
Estriol esters of Formula I STR1 wherein R is, in each case, the residue of an aliphatic monocarboxylic acid of 3-10 carbon atoms, surpass estriol in strength and duration of estrogen activity.