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1256241-87-8

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1256241-87-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256241-87-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,4 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1256241-87:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*4)+(3*1)+(2*8)+(1*7)=148
148 % 10 = 8
So 1256241-87-8 is a valid CAS Registry Number.

1256241-87-8Downstream Products

1256241-87-8Relevant articles and documents

Highly chemoselective palladium-catalyzed cross-trimerization between alkyne and alkenes leading to 1,3,5-trienes or 1,2,4,5-tetrasubstituted benzenes with dioxygen

Zhou, Peng,Huang, Liangbin,Jiang, Huanfeng,Wang, Azhong,Li, Xianwei

supporting information; experimental part, p. 8279 - 8282 (2011/02/23)

A palladium-catalyzed 1:2 linear/cyclic cross-trimerization of alkyne with alkenes using molecular oxygen as the sole oxidant has been reported for the first time. A series of 1,3,5-trienes and 1,2,4,5-tetrasubstituted benzenes are obtained with high chemoselectivity respectively and mechanisms of these reactions are proposed based on some controlled examination.

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