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64997-06-4

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64997-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64997-06-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,9 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 64997-06:
(7*6)+(6*4)+(5*9)+(4*9)+(3*7)+(2*0)+(1*6)=174
174 % 10 = 4
So 64997-06-4 is a valid CAS Registry Number.

64997-06-4Relevant articles and documents

Synthesis of (E)-alkenes via hydroindation of C{triple bond, long}C in InCl3-NaBH4 system

Wang, Chunyan,Yan, Lei,Zheng, Zhiguo,Yang, Deyu,Pan, Yuanjiang

, p. 7712 - 7717 (2007/10/03)

In InCl3-NaBH4-MeCN system, terminal aryl alkynes could couple with aryl iodides and bromides to give disubstituted alkenes via hydroindation of C{triple bond, long}C. In the similar way, (E)-alkenylsilanes were synthesized via reduction of alkynylsilanes in tetrahydrofuran (THF) in high yields. The processes showed high regio- and stereoselectivity.

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