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81639-06-7

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81639-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81639-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,3 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81639-06:
(7*8)+(6*1)+(5*6)+(4*3)+(3*9)+(2*0)+(1*6)=137
137 % 10 = 7
So 81639-06-7 is a valid CAS Registry Number.

81639-06-7Relevant articles and documents

Synthesis and biological evaluation of N 1,N 2-bis-[4-(t-amino)-2-butynyl]phthalamides as oxotremorine and acetylcholine antagonists

Muhi-Eldeen, Zuhair,Al-Kaissi, Elham,Ghantous, Hanan

, p. 1597 - 1603 (2013/07/26)

A series of N 1,N 2-bis-[4-(t-amino)-2-butynyl] phthalamides have been synthesized and investigated for the blocking of the motor effect of oxotremorine in intact mice and for their antagonistic activity towards acetylcholine on isol

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