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{tetra-p-tolylporphyrin iron(III)}2(2,3-dimethoxy-5-methyl-para-benzoquinone) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128471-84-1

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128471-84-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128471-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,7 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128471-84:
(8*1)+(7*2)+(6*8)+(5*4)+(4*7)+(3*1)+(2*8)+(1*4)=141
141 % 10 = 1
So 128471-84-1 is a valid CAS Registry Number.

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