169033-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169033-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,0,3 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169033-83:
(8*1)+(7*6)+(6*9)+(5*0)+(4*3)+(3*3)+(2*8)+(1*3)=144
144 % 10 = 4
So 169033-83-4 is a valid CAS Registry Number.
169033-83-4Relevant articles and documents
UV/VISIBLE LIGHT ABSORBERS FOR OPHTHALMIC LENS MATERIALS
-
Page/Page column 16-17, (2010/06/11)
Benzotriazole UV/Visible light-absorbing monomers are disclosed. The UV/Vis absorbers are particularly suitable for use in intraocular lens materials.