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77877-86-2

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77877-86-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77877-86-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,7 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77877-86:
(7*7)+(6*7)+(5*8)+(4*7)+(3*7)+(2*8)+(1*6)=202
202 % 10 = 2
So 77877-86-2 is a valid CAS Registry Number.

77877-86-2Downstream Products

77877-86-2Relevant articles and documents

Electron Impact Induced Fragmentation of Pyridyl Macrocyclic Polyethers (Crown Ethers)

Whitney, Richard R.,Jaeger, David A.

, p. 343 - 347 (1980)

The mass spectra of pyridyl-18-crown-6 and pyridyl-15-crown-5 were determined.The spectra of five deuterium labeled analogues of pyridyl-18-crown-6, coupled with high resolution data, allowed formulation of fragmentation pathways, which are dominated by several series involving the loss of C2H4O units.

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