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136978-13-7

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136978-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136978-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,7 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136978-13:
(8*1)+(7*3)+(6*6)+(5*9)+(4*7)+(3*8)+(2*1)+(1*3)=167
167 % 10 = 7
So 136978-13-7 is a valid CAS Registry Number.

136978-13-7Relevant 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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