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128387-20-2

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128387-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128387-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,8 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128387-20:
(8*1)+(7*2)+(6*8)+(5*3)+(4*8)+(3*7)+(2*2)+(1*0)=142
142 % 10 = 2
So 128387-20-2 is a valid CAS Registry Number.

128387-20-2Upstream product

128387-20-2Relevant articles and documents

Synthesis of all possible regioisomers of myo-inositol pentakisphosphate

Chung, Sung-Kee,Chang, Young-Tae

, p. 2039 - 2042 (1996)

Synthesis of all possible 4 regioisomers of IP5, naturally occurring metabolites of IP3 and IP4, was accomplished from myo-inositol via its monobenzoate derivatives (IBz1) as the key intermediates; base-catalyzed isomerization of readily available IBz1 derivatives, followed by suitable separation procedures efficiently provided the requisite regioisomers of IBz1.

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