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4-[(6R,7aR)-8,8-dimethyl-2,2-dioxidotetrahydro-3a,6-methano-2,1-benzisothiazol-1(4H)-yl]-4-oxobutan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

153897-27-9

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153897-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153897-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,8,9 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 153897-27:
(8*1)+(7*5)+(6*3)+(5*8)+(4*9)+(3*7)+(2*2)+(1*7)=169
169 % 10 = 9
So 153897-27-9 is a valid CAS Registry Number.

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