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1240401-98-2

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1240401-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240401-98-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,4,0 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240401-98:
(9*1)+(8*2)+(7*4)+(6*0)+(5*4)+(4*0)+(3*1)+(2*9)+(1*8)=102
102 % 10 = 2
So 1240401-98-2 is a valid CAS Registry Number.

1240401-98-2Relevant articles and documents

Construction of a quaternary carbon at the carbonyl carbon of the cyclohexane ring

Kaneko, Yuki,Kiyotsuka, Yohei,Acharya, Hukum P.,Kobayashi, Yuichi

supporting information; experimental part, p. 5482 - 5484 (2010/10/04)

High SN2′ selectivity in the allylic substitution of cyclohexylidene ethyl picolinates with copper reagents prepared from RMgBr and CuBr·Me2S was realized by addition of ZnX2 (X = I, Br, Cl). Furthermore, ZnX2 accelerated the reaction with the bulky iPr reagent. The Royal Society of Chemistry 2010.

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