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1321176-77-5

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1321176-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1321176-77-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,1,7 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1321176-77:
(9*1)+(8*3)+(7*2)+(6*1)+(5*1)+(4*7)+(3*6)+(2*7)+(1*7)=125
125 % 10 = 5
So 1321176-77-5 is a valid CAS Registry Number.

1321176-77-5Relevant articles and documents

Synthesis of aminoisoquinolines via Rh-catalyzed [4 + 2] annulation of benzamidamides with vinylene carbonate

Huang, Xin,Xu, Yingying,Li, Jianglian,Lai, Ruizhi,Luo, Yi,Wang, Qiantao,Yang, Zhongzhen,Wu, Yong

supporting information, p. 3518 - 3521 (2021/06/12)

A new strategy is developed for the synthesis of 1-aminoisoquinoline derivatives. This Rh(III)-catalyzed [4 + 2] annulation reaction employs benzamidines as efficient directing groups and the vinylene carbonate as an acetylene surrogate. Additionally, the reaction features broad substrate scopes and good yields, only producing carbonate anion as byproduct.

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