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154989-54-5

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154989-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154989-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,9,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 154989-54:
(8*1)+(7*5)+(6*4)+(5*9)+(4*8)+(3*9)+(2*5)+(1*4)=185
185 % 10 = 5
So 154989-54-5 is a valid CAS Registry Number.

154989-54-5Downstream Products

154989-54-5Relevant articles and documents

Indolecarbonyl Coupling Reactions Promoted by Samarium Diiodide. Application to the Synthesis of Indole-Fused Compounds

Lin, Shu-Chen,Yang, Fwu-Duo,Shiue, Jiann-Shyng,Yang, Shyh-Ming,Fang, Jim-Min

, p. 2909 - 2917 (2007/10/03)

By the assistance of an N-sulfonyl group or a cyano group at the C-2 position, hydroxyalkylations of indole-3-carbonyls were achieved by the promotion of samarium diiodide. The indolecarbonyl coupling reactions proceeded in high stereoselectivity via chel

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