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115961-42-7

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115961-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115961-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,9,6 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 115961-42:
(8*1)+(7*1)+(6*5)+(5*9)+(4*6)+(3*1)+(2*4)+(1*2)=127
127 % 10 = 7
So 115961-42-7 is a valid CAS Registry Number.

115961-42-7Relevant articles and documents

Chemoenzymatic total synthesis of ent-neopinone and formal total synthesis of ent -codeinone from β-bromoethylbenzene

Duchek, Jan,Piercy, T. Graeme,Gilmet, Jacqueline,Hudlicky, Tomas

, p. 709 - 728 (2011)

Formal total synthesis of ent-codeinone and ent-codeine was accomplished via the total synthesis of ent-neopinone attained in 14 steps from β-bromoethylbenzene. The key steps included (i) enzymatic dihydroxylation of β-bromoethylbenzene with E. coli JM109

Total synthesis of dl-morphine

Toth,Fuchs

, p. 473 - 475 (2007/10/02)

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