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1571948-33-8

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1571948-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1571948-33-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,1,9,4 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1571948-33:
(9*1)+(8*5)+(7*7)+(6*1)+(5*9)+(4*4)+(3*8)+(2*3)+(1*3)=198
198 % 10 = 8
So 1571948-33-8 is a valid CAS Registry Number.

1571948-33-8Downstream Products

1571948-33-8Relevant articles and documents

Visible-light-induced cyanation of aza-Baylis-Hillman adducts: A Michael type addition

Srivastava, Vishnu P.,Yadav, Arvind K.,Yadav, Lal Dhar S.

, p. 1788 - 1792 (2014/03/21)

Visible-light-induced aerobic oxidative cyanation of aza-Baylis-Hillman (aza-BH) adducts providing valuable allylic cyanides in good to excellent yields has been developed. The protocol involves in situ formation of 4π conjugated iminium ion intermediates, which undergo cyanation at the γ-position to afford Michael type adducts. This is the first example of visible-light-induced catalytic functionalization of aza-BH adducts using air (O2) as an economical and ecosustainable oxidant and TMSCN as a convenient and readily available cyanide source.

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