151285-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151285-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,2,8 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 151285-25:
(8*1)+(7*5)+(6*1)+(5*2)+(4*8)+(3*5)+(2*2)+(1*5)=115
115 % 10 = 5
So 151285-25-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H14Cl2N4O3/c21-16-10-13(26(28)29)11-17(22)20(16)24-23-12-5-6-19-15(9-12)14-3-1-2-4-18(14)25(19)7-8-27/h1-6,9-11,27H,7-8H2
151285-25-5Relevant articles and documents
Colorant for ocular lenses and colored ocular lens using the colorant
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Page 5, (2010/02/07)
A colorant for ocular lenses represented by the following formula (1): wherein A and B are each selected from the group consisting of halogens, a cyano group, a nitro group, alkyl groups, alkylsulfonyl groups and alkoxy groups; R represents a linear or br