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858647-47-9

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858647-47-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858647-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,6,4 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 858647-47:
(8*8)+(7*5)+(6*8)+(5*6)+(4*4)+(3*7)+(2*4)+(1*7)=229
229 % 10 = 9
So 858647-47-9 is a valid CAS Registry Number.

858647-47-9Downstream Products

858647-47-9Relevant articles and documents

Directed ortho metalation-based methodology. Halo-, nitroso-, and boro-induced ipso-desilylation. Link to an in situ Suzuki reaction

Zhao, Zhongdong,Snieckus, Victor

, p. 2523 - 2526 (2007/10/03)

(Chemical Equation Presented) Treatment of DoM-derived silylated aromatics 2-4 under standard electrophilic halogenation conditions cleanly affords ipso-desilyation products 5-7, while nitration of methoxy-substituted analogues 8, 9 leads to non-ipso isomers 10, 12 and 11, 13, controlled by a silicon steric effect. Sequential ipso-borodesilylation of 2a, 3a, and 20 followed by treatment with aryl halides under Pd-catalyzed conditions constitutes an in situ Suzuki-Miyaura cross-coupling protocol to biaryls and heterobiaryls 23.

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