145233-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145233-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145233-57:
(8*1)+(7*4)+(6*5)+(5*2)+(4*3)+(3*3)+(2*5)+(1*7)=114
114 % 10 = 4
So 145233-57-4 is a valid CAS Registry Number.
145233-57-4Relevant articles and documents
5-thio-substituted benzotriazole UV-absorbers
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, (2008/06/13)
2-(2-Hydroxyphenyl)-2H-benzotriazole UV-absorbers substituted at the 5-position of the benzo ring by a thioether group exhibit enhanced absorption in the near visible range (over 350 nm) allowing said compounds to be particularly effective in protecting p
