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1235981-99-3

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1235981-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235981-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,9,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1235981-99:
(9*1)+(8*2)+(7*3)+(6*5)+(5*9)+(4*8)+(3*1)+(2*9)+(1*9)=183
183 % 10 = 3
So 1235981-99-3 is a valid CAS Registry Number.

1235981-99-3Downstream Products

1235981-99-3Relevant academic research and scientific papers

Total synthesis of (+)-crocacin C

Sirasani, Gopal,Paul, Tapas,Andrade, Rodrigo B.

experimental part, p. 3648 - 3655 (2010/08/03)

Two approaches toward the total synthesis of cytotoxic polyketide natural product (+)-crocacin C (1) are described. The first approach, which was ultimately unsuccessful, was replaced altogether with a second that afforded target 1 in 10 linear steps from commercially available Evans' chiral propionimide (5% overall yield). No protecting groups were utilized in the total synthesis of 1.

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