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1040446-38-5

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1040446-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1040446-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,4,4 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1040446-38:
(9*1)+(8*0)+(7*4)+(6*0)+(5*4)+(4*4)+(3*6)+(2*3)+(1*8)=105
105 % 10 = 5
So 1040446-38-5 is a valid CAS Registry Number.

1040446-38-5Downstream Products

1040446-38-5Relevant articles and documents

Highly enantioselective pictet-spengler reaction catalyzed by SPINOL-phosphoric acids

Huang, Dan,Xu, Fangxi,Lin, Xufeng,Wang, Yanguang

supporting information; experimental part, p. 3148 - 3152 (2012/04/17)

Chiral SPINOL-phosphoric acids are highly enantioselective catalysts for the asymmetric Pictet-Spengler reaction of Nb-α-naphthylmethyl tryptamines with a series of aliphatic and aromatic aldehydes, affording optically active tetrahydro-β-carbolines in excellent yields and ee values. The current protocol has been applied in the asymmetric total synthesis of (-)-harmicine. Copyright

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