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1233235-18-1

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1233235-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233235-18-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,2,3 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1233235-18:
(9*1)+(8*2)+(7*3)+(6*3)+(5*2)+(4*3)+(3*5)+(2*1)+(1*8)=111
111 % 10 = 1
So 1233235-18-1 is a valid CAS Registry Number.

1233235-18-1Relevant articles and documents

Catalytic asymmetric transacetalization

Coric, Ilija,Vellalath, Sreekumar,List, Benjamin

, p. 8536 - 8537 (2010)

A catalytic enantioselective transacetalization has been developed. The chiral phosphoric acid TRIP was demonstrated to be an efficient and highly enantioselective catalyst for the activation of O, O-acetals. The reaction enables the asymmetric synthesis of acetals with the acetal carbon as the only stereogenic center.

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