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1,1'-(1,10-decanediyl)-bis<4-nitro-2-(trichloroacetyl)-1H-pyrrole> is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

170997-34-9

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170997-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170997-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,9 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 170997-34:
(8*1)+(7*7)+(6*0)+(5*9)+(4*9)+(3*7)+(2*3)+(1*4)=169
169 % 10 = 9
So 170997-34-9 is a valid CAS Registry Number.

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