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81667-88-1

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81667-88-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81667-88-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,6 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81667-88:
(7*8)+(6*1)+(5*6)+(4*6)+(3*7)+(2*8)+(1*8)=161
161 % 10 = 1
So 81667-88-1 is a valid CAS Registry Number.

81667-88-1Downstream Products

81667-88-1Relevant articles and documents

SUBSTRATA SELECTIVE INCLUSION BY A SERIES OF WATER-SOLUBLE PARACYCLOPHANES - HOST-GUEST RECOGNITION OF STERIC STRUCTURE AND CHARGE

Odashima, Kazunori,Soga, Tsunehiko,Koga, Kenji

, p. 5311 - 5314 (1981)

Substrate selective complex formation was observed between a series of water-soluble paracyclophanes (1a,b,2) and organic guests in acidic aqueous solutions, and this selectivity was shown to be based upon the host-guest recognition of steric structure and charge.

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