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4-amino>butanal hydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137256-25-8

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137256-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137256-25-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,5 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137256-25:
(8*1)+(7*3)+(6*7)+(5*2)+(4*5)+(3*6)+(2*2)+(1*5)=128
128 % 10 = 8
So 137256-25-8 is a valid CAS Registry Number.

137256-25-8Upstream product

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