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945656-65-5

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945656-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945656-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,6,5 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 945656-65:
(8*9)+(7*4)+(6*5)+(5*6)+(4*5)+(3*6)+(2*6)+(1*5)=215
215 % 10 = 5
So 945656-65-5 is a valid CAS Registry Number.

945656-65-5Relevant articles and documents

Modified chiral triazolium salts for enantioselective benzoin cyclization of enolizable keto-aldehydes: Synthesis of (+)-sappanone B

Takikawa, Hiroshi,Suzuki, Keisuke

, p. 2713 - 2716 (2008/02/09)

Equation Presented Asymmetric synthesis of (+)-sappanone B (1), a natural product with a 3-hydroxy chromanone structure, was achieved via enantioselective benzoin cyclization by using a modified Rovis catalyst and triethylamine. This catalyst enabled the

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