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{(tetrakis(2,6-difluorophenyl)porphyrin)iron(III)-O2(2-)-copper(II)(tris(2-pyridylmethyl)amine)}PF6 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

141981-31-9

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141981-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141981-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,8 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 141981-31:
(8*1)+(7*4)+(6*1)+(5*9)+(4*8)+(3*1)+(2*3)+(1*1)=129
129 % 10 = 9
So 141981-31-9 is a valid CAS Registry Number.

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