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7,8-dihydrobenzo[8]annulene-6,9(5H,10H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80958-83-4

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80958-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80958-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,5 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80958-83:
(7*8)+(6*0)+(5*9)+(4*5)+(3*8)+(2*8)+(1*3)=164
164 % 10 = 4
So 80958-83-4 is a valid CAS Registry Number.

80958-83-4Upstream product

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