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1265899-33-9

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1265899-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1265899-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,5,8,9 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1265899-33:
(9*1)+(8*2)+(7*6)+(6*5)+(5*8)+(4*9)+(3*9)+(2*3)+(1*3)=209
209 % 10 = 9
So 1265899-33-9 is a valid CAS Registry Number.

1265899-33-9Relevant articles and documents

Synthesis and characterization, novel across adjacent ring formed phthalocyanine

Elmali, Dilek,Altindal, Ahmet,Oezkaya, Ali Riza,Salih, Bekir,Bekarolu, Oezer

, p. 651 - 660 (2011)

Novel mononuclear Zn(ii) 4, Co(ii) 5 and Cu(ii) 6 metallophthalocyanines have been synthesized from 4,4′(ethane-1,1-p-phenol-2,2-p-phenoxy) phthalonitrile 3, which can be obtained by the reaction of 4-nitrophthalonitrile 1 with 1,1,2,2-tetrakis(p-hydroxy-

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