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2,5-Pyrrolidinedione, 1-[[[(3S)-2-[(1,1-dimethylethyl)dimethylsilyl]-1,1-dioxido-1,2-thiazetidin-3 -yl]acetyl]oxy]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

840525-46-4

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840525-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840525-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,2 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 840525-46:
(8*8)+(7*4)+(6*0)+(5*5)+(4*2)+(3*5)+(2*4)+(1*6)=154
154 % 10 = 4
So 840525-46-4 is a valid CAS Registry Number.

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