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121485-50-5

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121485-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121485-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,4,8 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121485-50:
(8*1)+(7*2)+(6*1)+(5*4)+(4*8)+(3*5)+(2*5)+(1*0)=105
105 % 10 = 5
So 121485-50-5 is a valid CAS Registry Number.

121485-50-5Downstream Products

121485-50-5Relevant articles and documents

Catalytic Dealkylative Synthesis of Cyclic Carbamates and Ureas via Hydrogen Atom Transfer and Radical-Polar Crossover

Nagai, Takuya,Mimata, Nao,Terada, Yoshihiro,Sebe, Chikayoshi,Shigehisa, Hiroki

supporting information, p. 5522 - 5527 (2020/07/24)

Guided by the transition-metal hydrogen atom transfer and radical-polar crossover concepts, we developed a functional-group-tolerant and scalable method for the synthesis of cyclic carbamates and ureas, which are found in the structures of bioactive compo

Method for synthesizing N - aryl oxazolidine -2 - ketone compound by ionic liquid catalysis

-

Paragraph 0031-0032; 0073-0074, (2019/10/01)

The invention discloses a method for catalytic synthesis of a N-aryloxazolane-2-one compound or a chiral N-aryloxazolane-2-one compound from an ionic liquid. The process of the preparation method is as follows: a catalytic amount of ionic liquid is added

Carbon dioxide-based facile synthesis of cyclic carbamates from amino alcohols

Niemi, Teemu,Fernández, Israel,Steadman, Bethany,Mannisto, Jere K.,Repo, Timo

supporting information, p. 3166 - 3169 (2018/03/28)

We report herein a straightforward general method for the synthesis of cyclic carbamates from amino alcohols and carbon dioxide in the presence of an external base and a hydroxyl group activating reagent. Utilizing p-toluenesulfonyl chloride (TsCl), the reaction proceeds under mild conditions, and the approach is fully applicable to the preparation of various high value-added 5- and 6-membered rings as well as bicyclic fused ring carbamates. DFT calculations and experimental results indicate a SN2-type reaction mechanism with high regio-, chemo-, and stereoselectivity.

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