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138683-68-8

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138683-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138683-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,8 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138683-68:
(8*1)+(7*3)+(6*8)+(5*6)+(4*8)+(3*3)+(2*6)+(1*8)=168
168 % 10 = 8
So 138683-68-8 is a valid CAS Registry Number.

138683-68-8Downstream Products

138683-68-8Relevant articles and documents

BATZELLINES A, B, AND C. NOVEL PYRROLOQUINOLINE ALKALOIDS FROM THE SPONGE Batzella Sp.

Sakemi, Shinichi,Sun, Hao H.,Jefford, Charles W.,Bernardinelli, Gerald

, p. 2517 - 2520 (1989)

Tree highly functionalized pyrroloquinoline alkaloids, batzelline A (1), B (2), and C (3) were isolated from the deep water Bahamas sponge Batzella sp.The sructure of 1 was determined by X-ray and those of 2 and 3 deduced by comparison of their spectral data with that of 1 and by chemical transformations.

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