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1244556-23-7

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1244556-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1244556-23-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,4,5,5 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1244556-23:
(9*1)+(8*2)+(7*4)+(6*4)+(5*5)+(4*5)+(3*6)+(2*2)+(1*3)=147
147 % 10 = 7
So 1244556-23-7 is a valid CAS Registry Number.

1244556-23-7Downstream Products

1244556-23-7Relevant academic research and scientific papers

Catalytic coupling of N-benzylic sulfonamides with silylated nucleophiles at room temperature

Yang, Bai-Ling,Tian, Shi-Kai

, p. 6180 - 6182 (2010)

In the presence of 2-10 mol% of Tf2NH, a range of N-benzylic sulfonamides smoothly react with allylic, propargylic, benzylic, or hydrido silanes at room temperature via sp3 carbon-nitrogen bond cleavage to afford structurally diverse products in moderate to excellent yields and with high chemo- and regioselectivity.

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