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172688-58-3

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172688-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172688-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,8 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 172688-58:
(8*1)+(7*7)+(6*2)+(5*6)+(4*8)+(3*8)+(2*5)+(1*8)=173
173 % 10 = 3
So 172688-58-3 is a valid CAS Registry Number.

172688-58-3Downstream Products

172688-58-3Relevant articles and documents

Stereoselective cycloadditions of chiral acyl-nitroso compounds; Palladium(0) catalyzed allylic displacement with concomitant loss of the chiral auxiliary

Muxworthy, James P.,Wilkinson, James A.,Procter, Garry

, p. 7541 - 7544 (2007/10/02)

The methylated diacetate 4, derived from the readily available hydroxamic acid 1, undergoes Pd0 catalyzed nucleophilic allylic displacement under conditions which also result in the removal of the chiral auxiliary and its replacement with an easily removed acetyl group.

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