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103216-74-6

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103216-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103216-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103216-74:
(8*1)+(7*0)+(6*3)+(5*2)+(4*1)+(3*6)+(2*7)+(1*4)=76
76 % 10 = 6
So 103216-74-6 is a valid CAS Registry Number.

103216-74-6Relevant articles and documents

SYNTHESIS WITH ORGANOBORANES. I. SYNTHESIS OF ALLYLIC DIETHYLBORANES AND B-ALLYLIC BORINANES VIA METALATION OF OLEFINS. CONTRATHERMODYNAMIC ISOMERIZATION OF OLEFINS

Zaidlewicz, Marek

, p. 139 - 146 (1985)

Allylic organopotassium compounds prepared by metalation of olefins with trimethylsilylmethylpotassium reacted with chlorodiethylborane and b-chloroborinane to give allylic diethylboranes and B-allylic borinanes, respectively.Hydrolysis of these organoboranes proceeding with allylic rearrangement leads to isomerized olefins.In this way, (E,Z)-2-pentene, (Z)-2-heptene, 1-methylcyclohexene and (+)-α-pinene were cleanly transformed into 1-pentene, 1-heptene, methylenecyclohexane and (+)-β-pinene, respectively.Stereochemistry of the addition of myrtenyldiethylborane toformaldehyde and 2-cyclohexenyldiethylborane to 4-t-butylcyclohexanone is described.

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