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1214261-39-8

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1214261-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1214261-39-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,4,2,6 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1214261-39:
(9*1)+(8*2)+(7*1)+(6*4)+(5*2)+(4*6)+(3*1)+(2*3)+(1*9)=108
108 % 10 = 8
So 1214261-39-8 is a valid CAS Registry Number.

1214261-39-8Relevant articles and documents

Tether-assisted synthesis of [3]rotaxane by olefin metathesis

Iwamoto, Hajime,Yawata, Yukimi,Fukazawa, Yoshimasa,Haino, Takeharu

, p. 24 - 25 (2010)

The tether-assisted synthesis of [3]rotaxane by olefin metathesis is described. The bis(crown ether)s, in which two crown ethers are connected by a linker, were converted to tethered rotaxanes, followed by removal of the linkers to produce [3]rotaxane. The biscrown structures promoted the formation of the tethered rotaxane, resulting in a notable improvement in the yield of the [3]rotaxane.

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