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116991-69-6

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116991-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116991-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,9 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116991-69:
(8*1)+(7*1)+(6*6)+(5*9)+(4*9)+(3*1)+(2*6)+(1*9)=156
156 % 10 = 6
So 116991-69-6 is a valid CAS Registry Number.

116991-69-6Downstream Products

116991-69-6Relevant articles and documents

Cycloaddition of Sodium Azide to polarized Ketene S,S- and S,N-Acetals: Synthesis of Novel Substituted Triazole and Tetrazole Derivatives

Chakrasali, R. T.,Ila, H.,Junjappa, H.

, p. 453 - 455 (2007/10/02)

Thermal cycloaddition of aroylketene dithioacetals 1a-e with sodium azide affords novel 4-aroyl-5-methylthio-1H-1,2,3-triazoles 3a-e.The corresponding S,N-acetals 5a-m derived from primary amines react with sodium azide through different pathway inv

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