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3''-pentyl (R,E)-4-[2,2-dimethyl-N(3')-tert-butoxycarbonyl-1',3'-oxazolidin-5'-yl]but-2-enoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

181772-66-7

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181772-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181772-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,7 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 181772-66:
(8*1)+(7*8)+(6*1)+(5*7)+(4*7)+(3*2)+(2*6)+(1*6)=157
157 % 10 = 7
So 181772-66-7 is a valid CAS Registry Number.

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