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138837-02-2

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138837-02-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138837-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,3 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138837-02:
(8*1)+(7*3)+(6*8)+(5*8)+(4*3)+(3*7)+(2*0)+(1*2)=152
152 % 10 = 2
So 138837-02-2 is a valid CAS Registry Number.

138837-02-2Upstream product

138837-02-2Downstream Products

138837-02-2Relevant articles and documents

Specific isotope enrichment of methyl methacrylate

Werkhoven, Thekla M.,Van Nispen, Reinier,Lugtenburg, Johan

, p. 2909 - 2914 (1999)

A synthetic scheme has been developed to prepare methyl methacrylate specifically 13C-labelled at all different positions and in any combination of positions, from simple, commercially available starting materials. According to this scheme methyl (1-13C) and methyl (2-13C)methacrylate (1a and 1b) have been prepared with high label incorporation (99%).

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