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143283-95-8

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143283-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143283-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,8 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143283-95:
(8*1)+(7*4)+(6*3)+(5*2)+(4*8)+(3*3)+(2*9)+(1*5)=128
128 % 10 = 8
So 143283-95-8 is a valid CAS Registry Number.

143283-95-8Downstream Products

143283-95-8Relevant articles and documents

Cyanide-Catalyzed Cyclizations via Aldimine Coupling

Reich, B. Jesse E.,Justice, Aaron K.,Beckstead, Brittany T.,Reibenspies, Joseph H.,Miller, Stephen A.

, p. 1357 - 1359 (2007/10/03)

Aldimine coupling (AIC) is the nitrogen analogue of the benzoin condensation and has been applied to dialdimines, providing the first examples of cyclizations effected by cyanide-catalyzed AIC. Sodium cyanide promoted the facile, intramolecular cyclization of several dialdimines in N,N-dimethylformamide, methanol, or methylene chloride/water (phase-transfer conditions) yielding a variety of six-membered heterocycles. Under aerobic conditions, an oxidative cyclization occurs to provide the diimine heterocycle. Oligomerization was observed with rigid dialdimines for which cyclization was precluded.

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