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91477-89-3

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91477-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91477-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,7 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91477-89:
(7*9)+(6*1)+(5*4)+(4*7)+(3*7)+(2*8)+(1*9)=163
163 % 10 = 3
So 91477-89-3 is a valid CAS Registry Number.

91477-89-3Relevant articles and documents

Synthesis of Thienooxazonine and Thienooxazecine Derivatives by Cyanogen-Bromide-Induced Ring Expansion

Bremner, John B.,Browne, Elaine J.,Chohan, Veronica,Yates, Brian F.

, p. 1043 - 1047 (2007/10/02)

4-Phenyl-4,6,7,8,9,10-hexahydrothienooxazonine-8-carbonitrile (5a) and the analogous 4-phenyl-6,7,8,9,10,11-hexahydro-4H-thienooxazecine-9-carbonitrile (5b) were prepared in moderate yields by cyanogen bromide-induced ring expansio

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