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1251535-21-3

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1251535-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1251535-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,5,3 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1251535-21:
(9*1)+(8*2)+(7*5)+(6*1)+(5*5)+(4*3)+(3*5)+(2*2)+(1*1)=123
123 % 10 = 3
So 1251535-21-3 is a valid CAS Registry Number.

1251535-21-3Downstream Products

1251535-21-3Relevant articles and documents

Copper-catalyzed enantioselective synthesis of trans -1-alkyl-2-substituted cyclopropanes via tandem conjugate addition-intramolecular enolate trapping

Den Hartog, Tim,Rudolph, Alena,MacIa, Beatriz,Minnaard, Adriaan J.,Feringa, Ben L.

scheme or table, p. 14349 - 14351 (2010/12/24)

Cu-TolBINAP-catalyzed conjugate addition of Grignard reagents to 4-chloro-α,β-unsaturated esters, thioesters, and ketones leads to 4-chloro-3-alkyl-substituted thioesters and ketones in up to 84% yield and up to 96% ee upon protonation of the correspondin

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