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188122-37-4

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188122-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188122-37-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,1,2 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 188122-37:
(8*1)+(7*8)+(6*8)+(5*1)+(4*2)+(3*2)+(2*3)+(1*7)=144
144 % 10 = 4
So 188122-37-4 is a valid CAS Registry Number.

188122-37-4Relevant articles and documents

Synthesis of chlorinated bicyclic C-fused tetrahydrofuro[3,2- c ]azetidin-2-ones

Ram, Ram N.,Kumar, Neeraj,Singh, Nem

supporting information; experimental part, p. 7408 - 7411 (2011/02/22)

Some bicyclic C-fused chlorinated tetrahydrofuro[3,2-c]azetidin-2-ones were prepared by a fairly general route involving Staudinger reaction of allylic/propargylic imidates with dichloroketene followed by highly diastereoselective CuCl/PMDETA-catalyzed 5-

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