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92070-90-1

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92070-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92070-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,0,7 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92070-90:
(7*9)+(6*2)+(5*0)+(4*7)+(3*0)+(2*9)+(1*0)=121
121 % 10 = 1
So 92070-90-1 is a valid CAS Registry Number.

92070-90-1Relevant articles and documents

Palladium-catalyzed oxidative cross-coupling between heterocycles and terminal alkynes with low catalyst loading

Jie, Xiaoming,Shang, Yaping,Hu, Peng,Su, Weiping

supporting information, p. 3630 - 3633 (2013/04/23)

Direct: With [Pd2(dba)3] as a catalyst, the direct alkynylation of thiophenes bearing a variety of substituents has been accomplished by using terminal alkynes as alkynylating reagents. This protocol is also applicable to other electron-rich aromatic heterocycles. dba=dibenzylidenacetone. Copyright

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