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75821-17-9

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75821-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75821-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75821-17:
(7*7)+(6*5)+(5*8)+(4*2)+(3*1)+(2*1)+(1*7)=139
139 % 10 = 9
So 75821-17-9 is a valid CAS Registry Number.

75821-17-9Downstream Products

75821-17-9Relevant articles and documents

Rapid, microwave accelerated synthesis of [1,2,4]triazolo[3,4-b][1,3,4]oxadiazoles from 4-acylamino-1,2,4-triazoles

Breunig, Stephanie L.,Olson, Margaret E.,Harki, Daniel A.

, p. 4056 - 4060 (2016/08/18)

1,2,4-Triazoles and 1,3,4-oxadiazoles are prevalent moieties in pharmaceutical agents, yet fused [1,2,4]triazolo[3,4-b][1,3,4]oxadiazoles are surprisingly under-represented for both synthesis and biological application. We report a rapid, two-step synthes

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