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188637-84-5

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188637-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188637-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,3 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188637-84:
(8*1)+(7*8)+(6*8)+(5*6)+(4*3)+(3*7)+(2*8)+(1*4)=195
195 % 10 = 5
So 188637-84-5 is a valid CAS Registry Number.

188637-84-5Upstream product

188637-84-5Downstream Products

188637-84-5Relevant articles and documents

Copper(I)/NO(g) Reductive Coupling Producing a trans-Hyponitrite Bridged Dicopper(II) Complex: Redox Reversal Giving Copper(I)/NO(g) Disproportionation

Wijeratne, Gayan B.,Hematian, Shabnam,Siegler, Maxime A.,Karlin, Kenneth D.

, p. 13276 - 13279 (2017)

A copper complex, [CuI(tmpa)(MeCN)]+, effectively reductively couples NO(g) at RT in methanol (MeOH), giving a structurally characterized hyponitrito-dicopper(II) adduct. Hydrogen-bonding from MeOH is critical for the hyponitrite complex formation and stabilization. This complex exhibits the reverse redox process in aprotic solvents, giving CuI + NO(g), leading to CuI-mediated NO(g)-disproportionation. The relationship of this chemistry to biological iron and/or copper mediated NO(g) reductive coupling to give N2O(g) is discussed.

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