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67902-88-9

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67902-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67902-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,0 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67902-88:
(7*6)+(6*7)+(5*9)+(4*0)+(3*2)+(2*8)+(1*8)=159
159 % 10 = 9
So 67902-88-9 is a valid CAS Registry Number.

67902-88-9Downstream Products

67902-88-9Relevant articles and documents

REGIOSELECTIVE CONJUGATE ADDITION OF SULFONYLALLYL CARBANIONS TO α,β-UNSATURATED KETONES

Hirama, Masahiro

, p. 1905 - 1908 (2007/10/02)

Ambident lithium carbanions of allyl phenyl sulfones add 1,4-α to both acyclic and cyclic enones exclusively if HMPA is present in the medium; in contrast, 1,2-α addition to cyclic enone is the major kinetic course in the absence of HMPA, which is followed by rearrangement to the 1,4-γ adduct.

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