Cas 137711-37-6,(E)-2-m-Tolyloxy-ethenesulfonyl fluoride

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Check Digit Verification of cas no

The CAS Registry Mumber 137711-37-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,1 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137711-37:
(8*1)+(7*3)+(6*7)+(5*7)+(4*1)+(3*1)+(2*3)+(1*7)=126
126 % 10 = 6
So 137711-37-6 is a valid CAS Registry Number.

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137711-37-6Relevant articles and documents

SYNTHESIS AND PROPERTIES OF 2-CHLORO-2-ARYLOXYETHANESULFONYL FLUORIDES

Bychkova, T. I.,Pomaskina, N. G.,Ratovskii, G. V.,Krivdin, L. V.,Vasil'eva, M. A.,Kalabina, A. V.

, p. 821 - 824 (2007/10/02)

2-Chloro-2-aryloxyethanesulfonyl fluorides were obtained by the addition of sulfuryl fluorochloride to aryl vinyl ethers.Under the influence of triethylamine these compounds eliminate hydrogen chloride with the formation of 2-aryloxyethenesulfonyl fluorid

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137711-37-6