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176646-21-2

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176646-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 176646-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,6,4 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 176646-21:
(8*1)+(7*7)+(6*6)+(5*6)+(4*4)+(3*6)+(2*2)+(1*1)=162
162 % 10 = 2
So 176646-21-2 is a valid CAS Registry Number.

176646-21-2Downstream Products

176646-21-2Relevant articles and documents

Stepwise controlled reduction of α-oxoketene dithioacetals with Zn/ZnCl2-TMEDA in ethanol

Yadav, K. Mallik,Suresh, Joghee R.,Patro, Balaram,Ila, Hiriyakkanavar,Junjappa, Hiriyakkanavar

, p. 4679 - 4686 (2007/10/03)

α-Oxoketene dithioacetals 1 are shown to undergo highly selective conjugate reduction with Zn/ZnCl2-TMEDA in refluxing ethanol under controlled reaction conditions to afford β-methylthiomethylene ketones 6, β-methylthioketones 7 and the completely desulphurized α-methylketones 8 in sequential manner.

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