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1609188-71-7

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1609188-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609188-71-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,8 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1609188-71:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*8)+(3*8)+(2*7)+(1*1)=187
187 % 10 = 7
So 1609188-71-7 is a valid CAS Registry Number.

1609188-71-7Downstream Products

1609188-71-7Relevant articles and documents

A facile method for the synthesis of steroidal and nonsteroidal 5-methyl pyrazolo[1,5-a]pyrimidines

Kaishap, Partha Pratim,Baruah, Swagata,Shekarrao, Kommuri,Gogoi, Sanjib,Boruah, Romesh C.

supporting information, p. 3117 - 3121 (2014/05/20)

The steroidal and nonsteroidal 5-methyl pyrazolo[1,5-a]pyrimidines were synthesized by the reaction of steroidal/nonsteroidal α,β-unsaturated ketones and 3-amino-1H-pyrazoles/5-amino-1H-pyrazoles in the presence of KOtBu in ethanol under reflux condition.

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