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131829-79-3

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131829-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131829-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,2 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131829-79:
(8*1)+(7*3)+(6*1)+(5*8)+(4*2)+(3*9)+(2*7)+(1*9)=133
133 % 10 = 3
So 131829-79-3 is a valid CAS Registry Number.

131829-79-3Relevant articles and documents

Enantioselective Syntheses of Vinblastine, Leurosidine, Vincovaline, and 20'-epi-Vincovaline

Kuehne, Martin E.,Matson, Patricia A.,Bornmann, William G.

, p. 513 - 528 (2007/10/02)

The binary indole-indoline alkaloids vinblastine (1), leurosidine (13), 20'-epi-vincovaline (14a), and vincovaline (14b) were obtained by coupling of vindoline (3) to the tetracyclic intermediates 7a, 7b or 22a, 22b, followed by reduction and cyclization

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