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(3R,4S)-3-Methyl-2-oxo-4-p-tolylsulfanyl-azetidine-1-sulfonyl chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42198-86-7

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42198-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42198-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,9 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42198-86:
(7*4)+(6*2)+(5*1)+(4*9)+(3*8)+(2*8)+(1*6)=127
127 % 10 = 7
So 42198-86-7 is a valid CAS Registry Number.

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