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(7,12,17-triethyl-3,8,13,18-tetramethyl-2-bromoporphyrinato)zinc(II) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

267238-29-9

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267238-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267238-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,2,3 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 267238-29:
(8*2)+(7*6)+(6*7)+(5*2)+(4*3)+(3*8)+(2*2)+(1*9)=159
159 % 10 = 9
So 267238-29-9 is a valid CAS Registry Number.

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