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131858-85-0

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131858-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131858-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131858-85:
(8*1)+(7*3)+(6*1)+(5*8)+(4*5)+(3*8)+(2*8)+(1*5)=140
140 % 10 = 0
So 131858-85-0 is a valid CAS Registry Number.

131858-85-0Downstream Products

131858-85-0Relevant articles and documents

A Convenient One-pot Synthesis of 4-Methoxyalka-2,4-dienoates

Birse, Ewan F.,Ironside, Michael D.,McQuire, Leslie,Murray, Alistair W.

, p. 2811 - 2820 (2007/10/02)

4-Methoxyalka-2,4-dienoates, bearing a variety of substituents, have been conveniently prepared in a One-pot, double quenching reaction of ylides derived from α-methoxyallyl(diphenyl)phosphine oxides.The dienes are useful precursors of γ-keto-α,β-unsatured esters.

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