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{(2R,3S)-2-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-[(R)-1-(2-nitro-benzyloxycarbonyloxy)-ethyl]-4-oxo-azetidin-1-yl}-chloro-acetic acid 2-nitro-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84256-67-7

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84256-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84256-67-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84256-67:
(7*8)+(6*4)+(5*2)+(4*5)+(3*6)+(2*6)+(1*7)=147
147 % 10 = 7
So 84256-67-7 is a valid CAS Registry Number.

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