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(3S,4S)-4-tert-butoxycarbonyl-3-methyl-1-(4-methoxyphenyl)azetidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221664-97-7

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221664-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221664-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,6 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 221664-97:
(8*2)+(7*2)+(6*1)+(5*6)+(4*6)+(3*4)+(2*9)+(1*7)=127
127 % 10 = 7
So 221664-97-7 is a valid CAS Registry Number.

221664-97-7Upstream product

221664-97-7Relevant academic research and scientific papers

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