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13540-49-3

13540-49-3

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13540-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13540-49-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,4 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13540-49:
(7*1)+(6*3)+(5*5)+(4*4)+(3*0)+(2*4)+(1*9)=83
83 % 10 = 3
So 13540-49-3 is a valid CAS Registry Number.

13540-49-3Downstream Products

13540-49-3Relevant articles and documents

SYNTHESIS AND REACTIVITY OF POLYFLUORINATED FLUOROSULFATOCARBINOLS IN THE PRESENCE OF BASES

Delyagina, N. I.,Rogovik, V. M.,Cherstkov, V. F.,Sterlin, S. R.,German, L. S.

, p. 1401 - 1405 (2007/10/02)

Compounds CF3CR(OH)CF2OSO2F (I) (R = MeO, Ph) were synthesized by the reaction of α-(fluorosulfato)pentafluoroacetone with MeOH or C6H6/AlCl3.In the presence of bases compound (I), depending on the reaction conditions, forms either cyclic sulfates or prod

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