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870636-74-1

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870636-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 870636-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,6,3 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 870636-74:
(8*8)+(7*7)+(6*0)+(5*6)+(4*3)+(3*6)+(2*7)+(1*4)=191
191 % 10 = 1
So 870636-74-1 is a valid CAS Registry Number.

870636-74-1Downstream Products

870636-74-1Relevant articles and documents

Sulfone coupling and double-elimination strategy for carotenoid synthesis

Guha, Samar Kumar,Koo, Sangho

, p. 9662 - 9665 (2007/10/03)

A highly efficient synthetic method of carotenoid compounds has been developed on the basis of the sulfone coupling and double-elimination strategy. This method highlighted the sulfone-mediated coupling with the novel C 10 dialdehyde, 2,7-dimethyl-4-octenedial, which was easily prepared and efficiently utilized in the synthesis of the conjugated polyene chains.

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