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51788-72-8

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51788-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51788-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,8 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51788-72:
(7*5)+(6*1)+(5*7)+(4*8)+(3*8)+(2*7)+(1*2)=148
148 % 10 = 8
So 51788-72-8 is a valid CAS Registry Number.

51788-72-8Relevant articles and documents

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Marvel,Higgins

, p. 2218 (1948)

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REACTIONS OF THIIRANES. X. REGIOSELECTIVITY OF RING-OPENING IN METHYL- AND VINYLTHIIRANES BY PHENOLS

Tverdokhlebov, V. P.,Polyakova, N. Yu.,Tselinskii, I. V.

, p. 1258 - 1261 (2007/10/02)

The effects of substituents in the phenol on the regioselectivity of the ring opening of methyl- and vinylthiiranes with phenols in the presence of 3-chloro-1-propene have been studied.Increasing the electron-donating properties of the substituent in the phenol increases the amount of the isomer corresponding to cleavage of the ring in accordance with Krasurskii's rule.The reaction rate was increased considerably when carried out in highly polar aprotic solvents.

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