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1437789-15-5

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1437789-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1437789-15-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,7,7,8 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1437789-15:
(9*1)+(8*4)+(7*3)+(6*7)+(5*7)+(4*8)+(3*9)+(2*1)+(1*5)=205
205 % 10 = 5
So 1437789-15-5 is a valid CAS Registry Number.

1437789-15-5Downstream Products

1437789-15-5Relevant articles and documents

Total synthesis of umuravumbolide and hyptolide through silicon-tethered ring-closing metathesis

Chowdhury, Partha Sarathi,Kumar, Pradeep

, p. 4586 - 4593 (2013/07/26)

The total synthesis of umuravumbolide and hyptolide has been achieved in a efficient manner by using temporary silicon-tethered ring-closing metathesis and cross-coupling reactions as key steps. The stereogenic centres were generated by means of proline-catalysed α-aminoxylation of aldehydes and Brown's asymmetric allylation method. An efficient total synthesis of umuravumbolide and hyptolide has been achieved by using temporary silicon-tethered ring-closing metathesis. The stereogenic centres were generated by using asymmetric allyl boration and proline-catalysed α-aminoxylation with high degrees of enantioselectivity. Copyright

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