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278181-85-4

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278181-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 278181-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,1,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 278181-85:
(8*2)+(7*7)+(6*8)+(5*1)+(4*8)+(3*1)+(2*8)+(1*5)=174
174 % 10 = 4
So 278181-85-4 is a valid CAS Registry Number.

278181-85-4Downstream Products

278181-85-4Relevant articles and documents

Confirmation by IR of the preferred conformations of CFTA esters in solution: A highly reliable criterion for the stereochemistry assignment of chiral alcohols

Omata, Kenji,Kotani, Kohsuke,Kabuto, Kuninobu,Fujiwara, Tomoya,Takeuchi, Yoshio

supporting information; experimental part, p. 3610 - 3612 (2010/08/07)

Direct confirmation of the preferred conformation of diastereomeric esters derived from a chiral secondary alcohol and a chiral derivatizing agent in solution, which is crucial for reliable NMR-based assignment of absolute stereochemistry of the alcohol, has been attained for the first time by examination of IR spectra of the CFTA esters.

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