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(1R,2R)-trans-(2-azido-indan-1-yl)-carbamic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218151-55-4

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218151-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218151-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,1,5 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 218151-55:
(8*2)+(7*1)+(6*8)+(5*1)+(4*5)+(3*1)+(2*5)+(1*5)=114
114 % 10 = 4
So 218151-55-4 is a valid CAS Registry Number.

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