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133146-37-9

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133146-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133146-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,4 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133146-37:
(8*1)+(7*3)+(6*3)+(5*1)+(4*4)+(3*6)+(2*3)+(1*7)=99
99 % 10 = 9
So 133146-37-9 is a valid CAS Registry Number.

133146-37-9Downstream Products

133146-37-9Relevant articles and documents

ENDO SELECTIVE CYCLIZATIONS OF SELENONIUM ION INTERMEDIATE: EFFICIENT FORMATION OF 1-HALO-3-SELENO-CYCLOHEXANES

Kataoka, Tadashi,Yoshimatsu, Mitsuhiro,Shimizu, Hiroshi,Hori, Mikio

, p. 105 - 108 (2007/10/02)

Selenoacetal 1 was cyclized with tin(IV) chloride in the 6-Endo-Trig mode to give 1-chloro-3-methylselenocyclohexanes (2a,b) regio- and stereoselectively.Bromo- or iodocyclohexane derivatives were afforded by use of tin(IV) bromide or titanium(IV) iodide, respectively.

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