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1220514-67-9

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1220514-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220514-67-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,5,1 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1220514-67:
(9*1)+(8*2)+(7*2)+(6*0)+(5*5)+(4*1)+(3*4)+(2*6)+(1*7)=99
99 % 10 = 9
So 1220514-67-9 is a valid CAS Registry Number.

1220514-67-9Downstream Products

1220514-67-9Relevant articles and documents

Practical asymmetric synthesis of RO5114436, a CCR5 receptor antagonist

Huang, Xiaojun,O'Brien, Erin,Thai, Felicia,Cooper, Gary

, p. 592 - 599 (2011/07/08)

A practical asymmetric synthesis of a 3,7-diazabicyclo[3.3.0]octane derivative (1), a representative of a new class of potent CCR5 receptor antagonists, is described. The benzylamine stereogenic center of 1 was introduced by a ruthenium-catalyzed asymmetric reductive amination using (R)-MeOBIPHEP as ligand. Aldehyde 4, prepared by Parikh-Doering oxidation, was used without workup in the reductive amination reaction, which not only simplified the process but also overcame the instability of 4. The 3,7-diazabicyclo[3.3.0]octane core was obtained by a [3 + 2] cycloaddition.

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