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1236208-91-5

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1236208-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1236208-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,2,0 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1236208-91:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*0)+(3*8)+(2*9)+(1*1)=135
135 % 10 = 5
So 1236208-91-5 is a valid CAS Registry Number.

1236208-91-5Relevant articles and documents

Novel synthesis of the isoflavone genistein

Denis, Jeffrey D. St.,Gordon Iv, James S.,Carroll, Vincent M.,Priefer, Ronny

, p. 1590 - 1592 (2010)

Genistein was efficiently synthesized from (2,4,6-trihydroxyphenyl)ethanone by a novel five-step procedure involving the formation of an enamino ketone, followed by ring closure and a Suzuki coupling reaction using palladium acetate and poly(ethylene glycol). Georg Thieme Verlag Stuttgart.

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