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1330277-14-9

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1330277-14-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1330277-14-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,0,2,7 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1330277-14:
(9*1)+(8*3)+(7*3)+(6*0)+(5*2)+(4*7)+(3*7)+(2*1)+(1*4)=119
119 % 10 = 9
So 1330277-14-9 is a valid CAS Registry Number.

1330277-14-9Relevant articles and documents

Synthesis of deuterium-labeled olmesartan and candesartan

Zhang, Chi,Shen, Zucheng,Tian, Lei,Chen, Liqin

, p. 401 - 405 (2013/01/15)

This paper describes the synthesis of deuterium-labeled olmesartan and candesartan. The two desired compounds both used [2H4] 2-cyano-4'-methyl-biphenyl as deuterium-labeled reagent, which was synthesized beforehand in two steps. [2H4] olmesartan was synthesized in six steps further with 17% overall yield, and [2H4] candesartan was synthesized in seven steps further with 13% overall yield. Copyright 2012 John Wiley & Sons, Ltd. This paper describes the synthesis of deuterium-labeled olmesartan and candesartan. The two desired compounds both used [2H4] 2-cyano-4'-methyl-biphenyl as deuterium-labeled reagent, which was synthesized beforehand in two steps. [ 2H4] olmesartan was synthesized in a further six steps with a 17% overall yield, and [2H4] candesartan was synthesized in a further seven steps with a 13% overall yield. Copyright

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