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4-(4-chloro-1-phthalazinyl)-1-piperazinecarboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201806-33-9

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201806-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201806-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,0 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201806-33:
(8*2)+(7*0)+(6*1)+(5*8)+(4*0)+(3*6)+(2*3)+(1*3)=89
89 % 10 = 9
So 201806-33-9 is a valid CAS Registry Number.

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