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133513-09-4

2-(p-hydroxyphenylazo)phenyltriphenylporphine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133513-09-4

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133513-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133513-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 133513-09:
(8*1)+(7*3)+(6*3)+(5*5)+(4*1)+(3*3)+(2*0)+(1*9)=94
94 % 10 = 4
So 133513-09-4 is a valid CAS Registry Number.

133513-09-4Downstream Products

133513-09-4Relevant articles and documents

SYNTHESIS OF TETRAPHENYLPORPHINES WITH ACTIVE GROUPS IN THE PHENYL RINGS6. SYNTHESIS OF MONOSUBSTITUTED TETRAPHENYLPORPHINES BY DIAZOTIZATION

Syrbu, S. A.,Semeikin, A. S.,Berezin, B. D.

, p. 1255 - 1257 (1990)

Monoaminophenyltriphenylporphines are diazotized and then used to produce monohalosubstituted tetraphenylporphines.Isomeric mono(p-hydroxyphenylazo)phenyltriphenylporphines are synthesized by replacing the azo group of diazonium salts of monosubstituted porphines with phenol.

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