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209127-18-4

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209127-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209127-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,1,2 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 209127-18:
(8*2)+(7*0)+(6*9)+(5*1)+(4*2)+(3*7)+(2*1)+(1*8)=114
114 % 10 = 4
So 209127-18-4 is a valid CAS Registry Number.

209127-18-4Downstream Products

209127-18-4Relevant articles and documents

alpha -aminoacetophenone photoinitiators

-

, (2008/06/13)

Compounds of the formulae I, II, III and IV wherein Ar for example is a phenyl, biphenyl or benzoylphenyl group, which is unsubstituted or substituted; Ar1, for example, has the same meanings as Ar; Ar2 is inter alia phenyl; X may be a direct bond; Y hydrogen, etc.; R1 and R2 for example C1-C8alkyl; R3 inter alia hydrogen or C1-C12alkyl; R4 is inter alia C1-C12alkyl; or R3 and R4 together are C3-C7alkylene; R5 is for example C1-C6alkylene; and Z is a divalent radical; provided that at least one of the radicals Ar, Ar1, Ar2, Ar3, R1, R2, R3, R4, R5 or Y is substituted by 1 to 5 SH groups, or provided that Y contains at least one -SS- group, are photoinitiators for the polymerization of ethylenically unsaturated compounds.

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