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1216844-75-5

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1216844-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1216844-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,6,8,4 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1216844-75:
(9*1)+(8*2)+(7*1)+(6*6)+(5*8)+(4*4)+(3*4)+(2*7)+(1*5)=155
155 % 10 = 5
So 1216844-75-5 is a valid CAS Registry Number.

1216844-75-5Downstream Products

1216844-75-5Relevant academic research and scientific papers

Formal [4+3] epoxide cascade reaction via a complementary ambiphilic pairing strategy

Rolfe, Alan,Samarakoon, Thiwanka B.,Hanson, Paul R.

supporting information; experimental part, p. 1216 - 1219 (2010/06/13)

Chemical Equation Presented A formal [4+3] epoxide cascade protocol utilizing ambiphilic sulfonamides and a variety of epoxides (masked ambiphiles) has been developed for the generation of benzothiaoxazepine-1, 1-dioxides and oxathiazepine-1,1-dioxides. This protocol combines an epoxide ring-opening with either an SNAr or-Michael cyclization pathway.

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