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1031230-06-4

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1031230-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1031230-06-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,2,3 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1031230-06:
(9*1)+(8*0)+(7*3)+(6*1)+(5*2)+(4*3)+(3*0)+(2*0)+(1*6)=64
64 % 10 = 4
So 1031230-06-4 is a valid CAS Registry Number.

1031230-06-4Relevant articles and documents

Direct catalytic asymmetric Mannich-type reactions of γ-butenolides: Effectiveness of Bronsted acid in chiral metal catalysis

Yamaguchi, Akitake,Matsunaga, Shigeki,Shibasaki, Masakatsu

supporting information; experimental part, p. 2319 - 2322 (2009/05/26)

(Chemical Equation Presented) Direct catalytic asymmetric Mannich-type reactions of γ-butenolides are described. A chiral Lewis acid/amine base/Bronsted acid combination was used to catalyze a γ-addition of γ-butenolides to N-diphenylphosphinoyl imines, a

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