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3-(3-methyl-2,4-dioxo-2,3-dihydro-9bH-1,5-dioxa-3a-aza-cyclopenta[a]naphthalen-3-ylmethyl)-indole-1-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220155-70-4

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220155-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220155-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,5 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220155-70:
(8*2)+(7*2)+(6*0)+(5*1)+(4*5)+(3*5)+(2*7)+(1*0)=84
84 % 10 = 4
So 220155-70-4 is a valid CAS Registry Number.

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