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276856-74-7

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276856-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 276856-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,6,8,5 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 276856-74:
(8*2)+(7*7)+(6*6)+(5*8)+(4*5)+(3*6)+(2*7)+(1*4)=197
197 % 10 = 7
So 276856-74-7 is a valid CAS Registry Number.

276856-74-7Downstream Products

276856-74-7Relevant articles and documents

A facile method for the stereoselective Horner-Wadsworth-Emmons reaction of aryl alkyl ketones.

Sano, Shigeki,Yokoyama, Kenji,Shiro, Motoo,Nagao, Yoshimitsu

, p. 706 - 709 (2002)

Excellent Z or E selectivity was observed in the Horner-Wadsworth-Emmons (HWE) reactions of methyl bis(2,2,2-trifluoroethyl)phosphonoacetate or ethyl 2-fluoro-2-diethylphosphonoacetate with aryl alkyl ketones bearing substituents on an aromatic moiety employing Sn(OSO2CF3)2 in the presence of N-ethylpiperidine.

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