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1281763-75-4

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1281763-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1281763-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,1,7,6 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1281763-75:
(9*1)+(8*2)+(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*7)+(1*5)=174
174 % 10 = 4
So 1281763-75-4 is a valid CAS Registry Number.

1281763-75-4Downstream Products

1281763-75-4Relevant articles and documents

Direct acetoxylation and etherification of anilides using phenyliodine bis(trifluoroacetate)

Liu, Huan,Wang, Xuemin,Gu, Yonghong

, p. 1614 - 1620 (2011)

Treatment of various anilides with 1.5 equiv. of phenyliodine bis(trifluoroacetate) (PIFA) and 1.0 equiv. of BF3·OEt 2 in AcOH at room temperature afforded the corresponding para-acetoxylated products with high regioselectivity. In addition, this reaction could be expanded to the etherification of anilides. In the presence of 2.0 equiv. of PIFA and 2.0 equiv. of BF3·OEt2, the reaction of anilides with alcohols provided the corresponding para-etherified products in good yields. The Royal Society of Chemistry 2011.

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