117491-83-5 Usage
Description
ROX NHS ester, pure single isomer, is a rhodamine dye linker containing NHS ester group, which can be used to label the primary amines (-NH2) of proteins, oligonucleotides, and other amine-containing molecules. This dye can replace Alexa Fluor 568, Texas Red.
Check Digit Verification of cas no
The CAS Registry Mumber 117491-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,9 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117491-83:
(8*1)+(7*1)+(6*7)+(5*4)+(4*9)+(3*1)+(2*8)+(1*3)=135
135 % 10 = 5
So 117491-83-5 is a valid CAS Registry Number.