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1236770-99-2

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1236770-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1236770-99-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,7,7 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1236770-99:
(9*1)+(8*2)+(7*3)+(6*6)+(5*7)+(4*7)+(3*0)+(2*9)+(1*9)=172
172 % 10 = 2
So 1236770-99-2 is a valid CAS Registry Number.

1236770-99-2Relevant articles and documents

Total synthesis of the tylophora alkaloids rusplinone, 13aα- secoantofine, and antofine using a multicatalytic oxidative aminochlorocarbonylation/Friedel-Crafts reaction

Ambrosini, Lisa M.,Cernak, Tim A.,Lambert, Tristan H.

, p. 4882 - 4887 (2010)

A rapid synthetic approach to the tylophora alkaloids antofine and 13aα-secoantofine is presented that makes use of a multicatalytic oxidative aminochlorocarbonylation/Friedel-Crafts reaction as the key step. This reaction, along with a one-pot, three-ste

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