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111596-41-9

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111596-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111596-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,9 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111596-41:
(8*1)+(7*1)+(6*1)+(5*5)+(4*9)+(3*6)+(2*4)+(1*1)=109
109 % 10 = 9
So 111596-41-9 is a valid CAS Registry Number.

111596-41-9Downstream Products

111596-41-9Relevant articles and documents

Chemical Transformation of Protoberberines. Part 10. A Novel Synthesis of Sanguilutine and Dihydrosanguilutine, fully Aromatised 2,3,7,8,10-Pentaoxygenated Benzophenanthridine Alkaloids

Hanaoka, Miyoji,Kobayashi, Nobuyuki,Shimada, Ken-ichi,Mukai, Chisato

, p. 677 - 682 (2007/10/02)

2,3,7,8,10-Pentaoxygenated benzophenanthridine alkaloids, sanguilutine (1) and dihydrosanguilutine (2), were efficiently synthesized from the corresponding 2,3,9,10,12-pentamethoxyprotoberberine (8) through a regioselective C(6)-N bond cleavage, followed by recombination between the original C(6) and C(13) positions of compound (8) according to a biomimetic route.

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