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152860-98-5

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152860-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152860-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,8,6 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 152860-98:
(8*1)+(7*5)+(6*2)+(5*8)+(4*6)+(3*0)+(2*9)+(1*8)=145
145 % 10 = 5
So 152860-98-5 is a valid CAS Registry Number.

152860-98-5Upstream product

152860-98-5Relevant articles and documents

Stereoselective Synthesis of 2,5-Dihydrofurans by Sequential SN2' Cleavage of Alkynyloxiranes and Ag(1+)-Catalyzed Cyclization of the Allenylcarbinol Products

Marshall, James A.,Pinney, Kevin G.

, p. 7180 - 7184 (1993)

The alkynyloxiranes 5a,b, 7, and 18 afford mainly the anti SN2' products 6a,b, 8, and 19a upon treatment with Me2CuLi.The derived primary alcohol silyl ethers 9a,b, 10, and 19b-d undergo Ag(1+)-catalyzed cyclization to the 2,5-dihydrofurans 11a

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