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(Z/E)-5-(1H-pyrrol-1-yl)pent-2-en-4-inal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

219664-48-9

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219664-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219664-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,6 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219664-48:
(8*2)+(7*1)+(6*9)+(5*6)+(4*6)+(3*4)+(2*4)+(1*8)=159
159 % 10 = 9
So 219664-48-9 is a valid CAS Registry Number.

219664-48-9Upstream product

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