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139025-41-5

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139025-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139025-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,2 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139025-41:
(8*1)+(7*3)+(6*9)+(5*0)+(4*2)+(3*5)+(2*4)+(1*1)=115
115 % 10 = 5
So 139025-41-5 is a valid CAS Registry Number.

139025-41-5Relevant articles and documents

A FIRST TOTAL SYNTHESIS OF MONTANINE-TYPE AMARYLLIDACEAE ALKALOIDS, (+/-)-COCCININE, (+/-)-MONTANINE, AND (+/-)-PANCRACINE

Ishizaki, Miyuki,Hoshino, Osamu,Iitaka, Yoichi

, p. 7079 - 7082 (1991)

Montanine-type Amaryllidaceae alkaloids, (+/-)-coccinine (1), (+/-)-montanine (2), and (+/-)-pancracine (3) were synthesized starting from (+/-)-1,2-cis-2-(3,4-methylenedioxybenzoyl)cyclohex-4-enecarboxylic acid (6) via (+/-)-2,3-cis-3-benzyloxy-2-hydroxy

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