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201409-39-4

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201409-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201409-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,4,0 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 201409-39:
(8*2)+(7*0)+(6*1)+(5*4)+(4*0)+(3*9)+(2*3)+(1*9)=84
84 % 10 = 4
So 201409-39-4 is a valid CAS Registry Number.

201409-39-4Downstream Products

201409-39-4Relevant articles and documents

Photoinduced Vitamin B12-Catalysis for Deprotection of (Allyloxy)arenes

Giedyk, Maciej,Turkowska, Joanna,Lepak, Sandra,Marculewicz, Marcin,ó Proinsias, Keith,Gryko, Dorota

supporting information, p. 2670 - 2673 (2017/05/24)

Vitamin B12 is a natural cobalt complex that, while reduced to the "supernucleophilic" Co(I) form, can easily react with electrophiles via an SN2 mechanism. It is also shown to react via an SN2′ mechanism with allylic compounds allowing for photochemical deprotection of (allyloxy)arenes. A sustainable alternative to commonly used noble metal-catalyzed deprotection reactions is presented.

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